[Tailieuonthidaihoc.info] Moon.vn00003

5/18/2018 [Tailieuonthidaihoc.info] Moon.vn00003

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TRUNG TM LUYN THI I HC S 11 Ngch 98 Ng 72 Tn Tht Tng ng a HN

Bin son: ThyL Phm Thnh(0976.053.496) https://www.facebook.com/thanh.lepham

KHAI THC TRIT PHNG PHP BO TON NGUYN T(T liu hc bi Phn I)

V d 1.

Cho phn ng:Na2SO3+ KMnO4+ NaHSO4

Na2SO4+ MnSO4+ K2SO4+ H2OTng h s ca cc cht (l nhng s nguyn, ti gin) trong phng trnh phn ng lA. 23. B. 27. C. 47. D. 31.

V d 2.

Cho phn ng: FeSO4+ KMnO4+ KHSO4 Fe2(SO4)3+ MnSO4+ K2SO4+ H2O

Tng h s ca cc cht (l nhng s nguyn, ti gin) trong phng trnh phn ng lA. 36. B. 48. C. 52. D. 54.

V d 3.Xt phn ng: FexOy+ H2SO4 Fe2(SO4)3+ SO2+ H2OH s cn bng ca H2SO4lA.3x y. B.3x 2y. C.6x y. D.6x 2y.

V d 4.

Cho phng trnh ho hc: Fe3O4+ HNO3 Fe(NO3)3+ NxOy+ H2O

Sau khi cn bng phng trnh ho hc trn vi h s ca cc cht l nhng s nguyn, ti gin th h s caHNO3l

A. 13x 9y. B. 46x 18y. C. 45x 18y. D. 23x 9y.

V d 5.

Cho hn hp X gm 0,3 mol Fe, 0,15 mol Fe2O3 v 0,1 mol Fe3O4tc dng ht vi dung dch H2SO4long thu c dung dch Y. Cho dung dch Y tc dng vi dung dch NaOH d, lc kt ta em nung trongkhng kh n khi lng khng i thu c m gam cht rn Z. Gi tr ca m l:A.70. B.72. C.65. D.75.V d 6.

Cho m gam mt oxit st phn ng va vi 0,75 mol H2SO4, thu c dung dch ch cha mt muiduy nht v 1,68 lt kh SO2(ktc, sn phm kh duy nht ca S

+6). Gi tr ca m l

A.10,8. B.24,0. C. 34,8. D. 46,4.V d 7.Trn 5,6 gam bt st vi 2,4 gam bt lu hunh ri nung nng (trong iu kin khng c khng kh),thu c hn hp rn M. Cho M tc dng vi lng d dung dch HCl, gii phng hn hp kh X v cn limt phn khng tan G. t chy hon ton X v G cn va V lt kh O2(ktc). Gi tr ca V lA. 2,80. B. 3,36. C. 3,08. D. 4,48.V d 8.Ho tan hon ton hn hp gm 0,12 mol FeS2v a mol Cu2S vo axit HNO3 (va ), thu c dungdch X (ch cha hai mui sunfat) v kh duy nht NO. Gi tr ca a lA. 0,04. B. 0,075. C. 0,12. D. 0,06.V d 9.Hn hp X gm a mol Fe, b mol FeCO3v c mol FeS2. Cho X vo bnh dung tch khng i cha

khng kh (d), nung n cc phn ng xy ra hon ton sau a v nhit u thy p sut trong bnhbng p sut trc khi nung. Quan h ca a, b, c l:A. a = b + c. B. 4a + 4c = 3b. C.b = c + a. D. a + c = 2b.V d 10.Cho t t 62 gam Ca3(PO4)2vo 100 ml dung dch H2SO45M. Khi lng mui (khan) thu c lA.111,0 gam. B.91,4 gam. C.43,0 gam. D.23,4 gam.

Bin son: Thy L PHM THNHng k LUYN THI ONLINE ti: Moon.vn


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Kho hc PHNG PHP v K THUT GII NHANHmnHO HC- Thy L PHM THNH(0976.053.496)

Tham gia trn vn khoLTHv LUYN ti www.moon.vn t im cao nht trong k thi TSH !

PP 04. PHNG PHP BO TON IN TCH(T liu hc bi)

V d 1. Dung dch X c cha a mol Na+ ; b mol Mg2+ ; c mol Clv d mol 24SO . Biu thc

lin h gia a, b, c, d lA.a + 2b = c + 2d. B.a + 2b = c + d. C.a + b = c + d. D.2a + b = 2c + d.

V d 2. Mt dung dch X gm 0,01 mol Na+; 0,02 mol Ca2+; 0,02 mol 3HCO

v a mol ion X

(b qua s in li ca nc). Ion X v gi tr ca a l

A. 3NO v 0,03 B.Clv 0,01 C. 23CO

v 0,03 D.OHv 0,03

V d 3. Dung dch X c cha Ba2+(x mol ); H+(0,2 mol), Cl(0,1 mol) v

3

NO (0,4 mol).

Cho t t dung dch K2CO31M vo X n khi lng kt ta ln nht thy tiu tn V lt. Gi tr

ca V l

A.0,15. B.0,25. C.0,30. D.0,50.

V d 4.Dung dch X c cha: 0,07 mol Na+; 0,02 mol 24SO v x mol OH. Dung dch Y c

cha 4ClO , 3NO

v y mol H+; tng s mol ion trong Y l 0,04. Trn X v Y c 100 ml

dung dch Z. Dung dch Z c pH (b qua s in li ca H2O) l

A. 2. B. 13. C. 1. D. 12.V d 5.Cho 2,13 gam hn hp X gm ba kim loi Mg, Cu v Al dng bt tc dng hon ton

vi oxi thu c hn hp Y gm cc oxit c khi lng 3,33 gam. Th tch dung dch HCl 2M

va phn ng ht vi Y l

A. 50 ml. B. 57 ml. C. 75 ml. D. 90 ml.

V d 6.Cho m gam hn hp X gm Mg, Fe, Zn dng bt tc dng hon ton vi oxi thu

c 2,81 gam hn hp Y gm cc oxit. Ha tan hon ton lng Y trn vo axit H 2SO4

long (va ). Sau phn ng, c cn dd thu c 6,81 gam hn hp mui sunfat khan. Gi tr

ca m lA. 1,21 B.1,81 C.2,01 D.6,03

V d 7. Dung dch E gm x mol Ca2+, y mol Ba2+, z mol 3HCO . Cho t t dung dch Ca(OH)2

nng a mol/l vo dung dch E n khi thu c lng kt ta ln nht th va ht V lt dungdch Ca(OH)2. Biu thc lin h gia cc gi tr V, a, x, y l

A.x y

aV

B.

x 2y

aV

C. V 2a(x y) D. V a(2x y)


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V d 8. Cho dung dch X gm: 0,007 mol Na+; 0,003 mol Ca2+; 0,006 mol Cl; 0,006 mol

3HCO v 0,001 mol 3NO

. loi b ht Ca2+trong X cn mt lng va dung dch cha a

gam Ca(OH)2. Gi tr ca a l

A. 0,180. B. 0,120. C. 0,444. D. 0,222.

V d 9. Dung dch X gm a mol Na+, b mol 3HCO , c mol 23CO

, d mol 24SO . Cn dng 100

ml dung dch Ba(OH)2c nng l xM cho vo dung dch X th c lng kt ta ln

nht. Biu thc lin h gia x vi a, b l:

A.x = (3a + 2b)/0,2. B.x = (2a + b)/0,2. C.x = (a b)/0,2. D.x = (a + b)/0,2.

V d 10. Mt dung dch cha 0,02 mol Cu2+, 0,03 mol K+, x mol Clv y mol 24SO

. Tng

khi lng cc mui tan c trong dung dch l 5,435 gam. Gi tr ca x v y ln lt l:

A. 0,01 v 0,03. B. 0,05 v 0,01. C. 0,03 v 0,02. D. 0,02 v 0,05.

V d 11. Mt dung dch cha cc ion: a mol M3+, 0,2 mol Mg2+, 0,3 mol Cu2+, 0,6 mol 24SO ,

0,4 mol 3NO . C cn dung dch ny thu c 116,8 gam hn hp cc mui khan. M l

A. Cr. B.Fe. C.Al. D.Zn.

V d 12. Mt dung dch X c cha 0,01 mol Ba2+; 0,01 mol 3NO , a mol OHv b mol Na+.

trung ho 1/2 dung dch X ngi ta cn dng 200 ml dung dch HCl 0,1M. Khi lng cht

rn thu c khi c cn dung dch X l:

A. 1,68 gam. B. 3,36 gam. C. 2,52 gam. D. 5,04 gam.

V d 13. Chia hn hp X gm hai kim loi c ho tr khng i thnh hai phn bng nhau.

Phn 1: Ho tan hon ton bng dung dch HCl d thu c 1,792 lt H2(ktc).

Phn 2: Nung trong khng kh d, thu c 2,84 gam hn hp rn ch gm cc oxit.

Khi lng ca hn hp X l

A.1,56 gam. B.1,8 gam. C.2,4 gam. D.3,12 gam.V d 14. Ho tan hon ton hn hp gm 0,12 mol FeS2v a mol Cu2S vo axit HNO3 (va

), thu c dung dch X (ch cha hai mui sunfat) v kh duy nht NO. Gi tr ca a l

A. 0,04. B. 0,075. C. 0,12. D. 0,06.

Bin son: Thy L PHM THNH (https://www.facebook.com/thanh.lepham)


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PP 05. KT HP BO TON IN TCHVI CC PHNG PHP KHC (T liu hc bi)

V d 1. Sc 4,48 lt kh CO2(ktc) vo 1 lt dung dch hn hp Ba(OH)20,12M v NaOH

0,06M. Sau khi cc phn ng xy ra hon ton thu c m gam kt ta. Gi tr ca m l

A.19,70. B.23,64. C.7,88. D.13,79.

V d 2. Hp th hon ton 2,688 lt kh CO2 (ktc) vo 2,5 lt dung dch Ba(OH)2nng a

mol/l,thu c 15,76 gam kt ta. Gi tr ca a l

A. 0,032. B. 0,04. C. 0,048. D. 0,06.

V d 3. t chy hon ton m gam FeS2bng mt lng O2va , thu c kh X. Hp th

ht X vo 1 lt dung dch cha Ba(OH)20,15M v KOH 0,1M, thu c dung dch Y v 21,7

gam kt ta. Cho Y vo dung dch NaOH, thy xut hin thm kt ta. Gi tr ca m l

A. 23,2. B. 12,6. C. 18,0. D. 24,0.

V d 4. t chy hon ton 6,2 gam P trong kh O2d, thu c cht rn X. Cho X vo 200

ml dung dch NaOH 1,25M. Khi lng mui to thnh trong dung dch l

A.18,0 gam NaH2PO4v 7,1 gam Na2HPO4. B.14,2 gam Na2HPO4v 16,4 gam Na3PO4.

C.7,1 gam Na2HPO4v 8,2 gam Na3PO4. D.6,0 gam NaH2PO4v 21,3 gam Na2HPO4.

V d 5.

Nh t t tng git n ht 30 ml dung dch HCl 1M vo 100 ml dung dch chaNa2CO30,2M v NaHCO30,2M, sau phn ng thu c s mol CO2l

A. 0,010. B. 0,015. C. 0,020. D. 0,030.

V d 6. Cho t t dung dch cha a mol HCl vo dung dch cha b mol Na2CO3ng thi

khuy u, thu c V lt kh ( ktc) v dung dch X. Khi cho d nc vi trong vo dung

dch X thy c xut hin kt ta. Biu thc lin h gia V vi a, b l:

A.V = 22,4(a b). B.V = 11,2(a b) C.V = 11,2(a + b). D.V = 22,4(a + b).

V d 7.

Cho 200 ml dung dch AlCl3 1,5M tc dng vi V lt dung dch NaOH 0,5M, lngkt ta thu c l 15,6 gam. Gi tr ln nht ca V l

A. 1,2. B. 1,8. C. 2,0. D. 2,4.

V d 8. Cho V lt dung dch NaOH 2M vo dung dch cha 0,1 mol Al 2(SO4)3v 0,1 mol

H2SO4n khi phn ng hon ton thu c 7,8 gam kt ta. Gi tr ln nht ca V thu c

lng kt ta trn l

A.0,45. B.0,35. C.0,25. D.0,15.


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V d 9. Dung dch X cha a mol NaOH v 0,3 mol Na[Al(OH)4]. Cho t t n ht 1,0 mol

HCl vo X thu c 15,6 gam kt ta. Gi tr nh nht ca a lA. 0,8. B. 0,7. C. 0,6. D. 0,4.V d 10.

Thm dung dch HCl vo 100ml dung dch hn hp gm NaOH 1M v Na[Al(OH)4]1M. Khi kt ta thu c l 6,24 gam th s mol HCl dng l

A.0,08 hoc 0,16. B.0,18 hoc 0,26. C.0,18 hoc 0,22. D.0,26 hoc 0,36.V d 11.

Ha tan hon ton 15,95 gam hn hp Ag, Zn v Al bng dung dch H2SO4c, nngthu c 7,84 lt kh SO2(sn phm kh duy nht, o ktc). C cn dung dch sau phn ngthu c khi lng mui khan lA.150,35 gam. B.116,75 gam. C.83,15 gam. D.49,55 gam.V d 12.Ho tan hon ton 12,0 gam hn hp X gm Fe v Cu bng dung dch HNO 3d, ktthc th nghim thu c hn hp kh gm 0,1 mol NO v 0,2 mol NO2. Khi lng mui nitrat(khng c NH4NO3) to thnh trong dung dch lA.43,0 gam. B.30,6 gam. C.55,4 gam. D.39,9 gam.V d 13.

Hn hp X gm hai kim loi Cu v Ag. Ha tan hon ton m gam hn hp X trongdung dch cha 2 axit HNO3, H2SO4thu c dung dch Y cha 7,06 gam mui v hn hp khZ cha 0,05 mol NO2v 0,01 mol SO2. Gi tr ca m lA.2,58. B.3,06. C.3,00. D.3,32.V d 14.Ha tan hon ton 8,9 gam hn hp gm Mg v Zn bng lng va 500 ml dungdch HNO31M. Sau khi cc phn ng kt thc, thu c 1,008 lt kh N2O (ktc) duy nht vdung dch X cha m gam mui. Gi tr ca m lA.34,10. B.31,32. C. 34,32. D.33,70.V d 15.

Cho 29 gam hn hp gm Al, Cu v Ag tc dng va vi 950 ml dung dch HNO31,5M, thu c dung dch cha m gam mui v 5,6 lt hn hp kh X (ktc) gm NO v N2O.T khi ca X so vi H2l 16,4. Gi tr ca m lA.98,20 B.97,20 C. 98,75 D.91,00V d 16.Cho 6,72 gam Fe vo dung dch cha 0,3 mol H2SO4c, nng (gi thit SO2l sn

phm kh duy nht). Sau khi phn ng xy ra hon ton, thu cA. 0,12 mol FeSO4. B. 0,02 mol Fe2(SO4)3v 0,08 mol FeSO4.C. 0,05 mol Fe2(SO4)3v 0,02 mol Fe d. D. 0,03 mol Fe2(SO4)3v 0,06 mol FeSO4.V d 17.

Cho x mol Fe tan hon ton trong dung dch cha y mol H2SO4(t l x : y = 2:5), thuc mt sn phm kh duy nht v dung dch ch cha mui sunfat. S mol electron do lngFe trn nhng khi b ho tan lA.2x. B. 3x. C.2y. D.y.



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PP 07. PHNG PHP S DNG PHNG TRNH ION THU GN(T liu hc bi)

V d 1.

Cho m gam hn hp Mg, Al vo 250 ml dung dch X cha hn hp axit HCl 1M v axit H 2SO40,5M,

thu c 5,32 lt H2( ktc) v dung dch Y (coi th tch dung dch khng i). Dung dch Y c pH lA. 1. B. 6. C. 7. D. 2.V d 2. Trn 100 ml dung dch hn hp gm H2SO40,05M v HCl 0,1M vi 100 ml dung dch hn hp gmNaOH 0,2M v Ba(OH)20,1M, thu c dung dch X. Dung dch X c pH lA. 13,0. B. 1,2. C. 1,0. D. 12,8.V d 3. Cho hai dung dch: dung dch X cha hai axit H2SO40,1M v HCl 0,2M; dung dch Y cha hai bazNaOH 0,2M v KOH 0,3M. Th tch (ml) dung dch Y cn phi thm vo 100ml dung dch X c mtdung dch c pH bng 7 l:A. 60ml. B. 120ml. C. 100ml. D. 80ml.

V d 4.

Cn trn dung dch X cha HCl 0,1M v H2SO40,1M vi dung dch Y cha NaOH 0,3M v Ba(OH)20,1M theo t l th tch nh th no thu c dung dch c pH = 13 ?A. VX/VY= 1/3. B. VX/VY= 1/2. C. VX/VY= 2/1. D. VX/VY= 1/1.V d 5. Dung dch X cha hn hp NaOH 0,20M v Ba(OH)2 0,10M; dung dch Y cha hn hp H2SO40,05M v HNO30,04M. Trn V lt dung dch X vi V lt dung dch Y thu c dung dch Z c pH = 13. T lV/V l:A. 1,33. B. 1,25. C. 0,8. D. 0,75.V d 6. Dung dch X cha NaOH 0,2M v Ca(OH)20,1M. Sc 7,84 lt kh CO2(ktc) vo 1,0 lt dung dch Xth lng kt ta thu c lA. 0 gam. B. 5 gam. C. 15 gam. D. 10 gam.V d 7. Hp th hon ton V lt CO2(ktc) vo 400ml dung dch NaOH a M th thu c dung dch X. Chot t v khuy u 150ml dung dch HCl 1M vo X thu c dung dch Y v 2,24 lt kh (ktc). Cho Y tc dngvi Ca(OH)2d xut hin 15 gam kt ta. Gi tr ca a lA. 1,0. B. 1,5. C. 0,75. D. 2,0.V d 8.

Ha tan ht 0,15 mol P2O5vo 200 gam dung dch H3PO49,8%, thu c dung dch X. Cho X tcdng ht vi 750 ml dung dch NaOH 1M, thu c dung dch Y. Hi trong Y c cha nhng hp cht no caphotpho v khi lng tng ng l bao nhiu (b qua s thy phn ca cc mui trong dung dch) ?

A. 45,0 gam NaH2PO4; 17,5 gam Na2HPO4. B. 30,0 gam NaH2PO4; 35,5 gam Na2HPO4.

C. 14,2 gam Na2HPO4; 41,0 gam Na3PO4. D. 30,0 gam Na2HPO4; 35,5 gam Na3PO4.

V d 9.

t chy hon ton m gam qung pirit st (cha 80% FeS2v khi lng, cn li l tp cht tr) bngmt lng oxi d. Ly ton b lng SO2thu c cho hp th ht vo 100 ml dung dch cha Ba(OH)21,5Mv NaOH 1M th thu c 26,04 gam kt ta. Gi tr ln nht ca m lA. 16,80. B. 18,00. C. 13,44. D. 21,00.V d 10.Trn 100ml dung dch cha KHCO31M v K2CO31M vi 100ml dung dch cha NaHCO31M vNa2CO31M c 200ml dung dch X. Nh t t 100ml dung dch Y cha H 2SO41M v HCl 1M vo dung dchX c V lt CO2(ktc) v dung dch Z. Cho Ba(OH)2d vo Z th thu c m gam kt ta. Gi tr ca V v mln lt lA.5,6 v 59,1. B.1,12 v 82,4. C.2,24 v 59,1. D.2,24 v 82,4.


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V d 11.Dung dch X cha cc ion: Ca2+, Na+, 3HCO v Cl, trong s mol ca ion Cll 0,1. Cho 1/2 dung

dch X phn ng vi dung dch NaOH (d), thu c 2 gam kt ta. Cho 1/2 dung dch X cn li phn ng vi

dung dch Ca(OH)2(d), thu c 3 gam kt ta. Mt khc, nu un si n cn dung dch X th thu c m

gam cht rn khan. Gi tr ca m l

A. 9,21. B. 9,26. C. 8,79. D. 7,47.

V d 12.Cho m gam NaOH vo 2 lt dung dch NaHCO3nng a mol/l, thu c 2 lt dung dch X. Ly 1 lt

dung dch X tc dng vi dung dch BaCl2(d) thu c 11,82 gam kt ta. Mt khc, cho 1 lt dung dch X

vo dung dch CaCl2(d) ri un nng, sau khi kt thc cc phn ng thu c 7,0 gam kt ta. Gi tr ca a, m

tng ng l

A. 0,08 v 4,8. B. 0,04 v 4,8. C. 0,14 v 2,4. D. 0,07 v 3,2.

V d 13.Cho hn hp K2CO3v NaHCO3(t l mol 1 : 1) vo bnh dung dch Ba(HCO 3)2thu c kt ta X

v dung dch Y. Thm t t dung dch HCl 0,5M vo bnh n khi khng cn kh thot ra th ht 560 ml. Bit

ton b Y phn ng va vi 200 ml dung dch NaOH 1M. Khi lng kt ta X l

A.3,94 gam. B.7,88 gam. C.11,28 gam. D.9,85 gam.

V d 14.

Cho t t tng git ca dung dch cha b mol HCl vo dung dch cha a mol Na2CO3thu c V lt

kh CO2. Ngc li, cho t t tng git ca dung dch cha a mol Na 2CO3vo dung dch cha b mol HCl thu

c 2V lt kh CO2(cc th tch kh o cng iu kin). Mi quan h gia a v b l:

A.a = 0,75b. B.a = 0,8b. C.a = 0,35b. D.a = 0,5b.

V d 15.Hp th ht 4,48 lt CO2 (ktc) vo dung dch cha x mol KOH v y mol K2CO3thu c 200 ml

dung dch X. Ly 100 ml X cho t t n ht vo 300 ml dung dch HCl 0,5M thu c 2,688 lt kh (ktc). Mt

khc, 100 ml X tc dng vi dung dch Ba(OH)2d thu c 39,4 gam kt ta. Gi tr ca x l:A. 0,15. B. 0,20. C. 0,05. D. 0,10.

V d 16.Nh t t 0,25 lt dung dch NaOH 1,04M vo dung dch gm 0,024 mol FeCl3; 0,016 molAl2(SO4)3

v 0,04 mol H2SO4thu c m gam kt ta. Gi tr ca m l

A. 2,568. B. 1,560. C. 4,128. D. 5,064.

V d 17.Ho tan hon ton m gam ZnSO4vo nc c dung dch X. Nu cho 110 ml dung dch KOH 2M

vo X th thu c 3a gam kt ta. Mt khc, nu cho 140 ml dung dch KOH 2M vo X th thu c 2a gam

kt ta. Gi tr ca m l

A.17,17. B.16,10. C.14,49. D.24,15.V d 18.Cho 150 ml dung dch Ba(OH)21M vo 250 ml dung dch Al2(SO4)3x (mol/lt) thu c 42,75 gam

kt ta. Thm tip 200 ml dung dch Ba(OH)21M vo hn hp phn ng th lng kt ta thu c l 94,2375

gam. Gi tr ca x l

A. 0,45. B. 0,30. C. 0,25. D. 0,15.



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PP 08. PHNG PHP S DNG PHNG TRNH ION ELECTRON

V d 1.

Cho 3,2 gam bt Cu tc dng vi 100 ml dung dch hn hp gm HNO30,8M v H2SO40,2M. Saukhi cc phn ng xy ra hon ton, sinh ra V lt kh NO (sn phm kh duy nht, ktc). Gi tr ca V lA.0,672 B.0,448 C.0,746 D.1,792V d 2. Thc hin hai th nghim:1) Cho 3,84 gam Cu phn ng vi 80 ml dung dch HNO31M thot ra V1lt NO.2) Cho 3,84 gam Cu phn ng vi 80 ml dung dch cha HNO31M v H2SO40,5 M thot ra V2lt NO.Bit NO l sn phm kh duy nht, cc th tch kh o cng iu kin. Quan h gia V1v V2lA.V2= V1. B.V2= 2V1. C.V2= 2,5V1. D.V2= 1,5V1.V d 3. Cho 0,3 mol bt Cu v 0,6 mol Fe(NO3)2vo dung dch cha 0,9 mol H2SO4 (long). Sau khi ccphn ng xy ra hon ton, thu c V lt kh NO (sn phm kh duy nht, ktc). Gi tr ca V lA. 6,72. B. 8,96. C. 4,48. D. 10,08.V d 4. Dung dch X cha 0,4 mol HCl v 0,05 mol Cu(NO3)2. Cho m gam bt Fe vo dung dch, khuy u

cho n khi phn ng kt thc c cht rn Y gm 2 kim loi c khi lng 0,8m gam. Gi thit sn phm khHNO3ch c NO. Gi tr ca m lA.30. B.40. C.35. D.45.V d 5.

Cho m gam bt Fe vo 800 ml dung dch hn hp gm Cu(NO3)20,2M v H2SO40,25M. Sau khi ccphn ng xy ra hon ton, thu c 0,6m gam hn hp bt kim loi v V lt kh NO (sn phm kh duy nht, ktc). Gi tr ca m v V ln lt lA.17,8 v 4,48. B.17,8 v 2,24. C.10,8 v 4,48. D.10,8 v 2,24.V d 6. Cho 5,8 gam FeCO3tc dng va vi dung dch HNO3c hn hp 2 kh khng mu ha nungoi khng kh v dung dch X. Thm dung dch H2SO4long d vo X th dung dch thu c ha tan ti am gam Cu (bit rng phn ng to sn phm kh duy nht l NO). Gi tr ca m lA.16 B. 14,4 C.1,6 D.17,6.V d 7.

Ha tan hon ton 0,1 mol FeS2 trong 200 ml dung dch HNO34M, sn phm thu c gm dungdch X v mt cht kh thot ra. Dung dch X c th ha tan ti a m gam Cu. Bit trong cc qu trnh trn, snphm kh duy nht ca N+5u l NO. Gi tr ca m lA.12,8 B.6,4 C.9,6 D.3,2.V d 8. Cho 7,68 gam Cu vo 200ml dung dch gm HNO30,6M v H2SO40,5M. Sau khi cc phn ng xyra hon ton (sn phm kh duy nht l NO), c cn cn thn ton b dung dch sau phn ng th khi lngmui khan thu c l:A. 19,76 gam. B. 20,16 gam. C. 19,20 gam. D. 22,56 gam.V d 9. Ha tan 9,6 gam bt Cu bng 200ml dung dch hn hp gm HNO30,5M v H2SO41M. Sau khiphn ng xy ra hon ton c kh NO (sn phm kh duy nht) v dung dch X. C cn cn thn X c khi

lng mui khan l:A.35 gam B.28,2 gam C.24 gam D.25,4 gamV d 10.Cho 0,87 gam hn hp gm Fe, Cu v Al vo bnh ng 300 ml dung dch H2SO40,1M. Sau khi ccphn ng xy ra hon ton, thu c 0,32 gam cht rn v 448 ml kh (ktc) thot ra. Thm tip vo bnh 0,425gam NaNO3, khi cc phn ng kt thc th th tch kh NO (ktc, sn phm kh duy nht) to thnh v khilng mui trong dung dch lA.0,224 lt v 3,750 gam B. 0,112 lt v 3,750 gam C.0,112 lt v 3,865 gam D. 0,224 lt v 3,865 gam



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CsI: Ng 72 - Tn Tht Tng (gn H Y H Ni) CsII: S27 - T Hiu - H ng (gn Cu en)

001. ( )

V d1. (C9) Mt nguyn tca nguyn tX c tng sht proton, ntron, electron l 52 v c skhi l35.Shiu nguyn tca nguyn tX lA. 18. B. 23. C. 17. D. 15.

V d2. (A10) Nhn nh no sau y ng khi ni v3 nguyn t: 26 55 2613 26 12X, Y, Z ?

A. X v Z c cng skhi.B. X, Z l 2 ng vca cng mt nguyn tho hc.C. X, Y thuc cng mt nguyn tho hc.D. X v Y c cng sntron.V d3.

(B7) Trong hp cht ion XY (X l kim loi, Y l phi kim), s electron ca cation bng s electronca anion v tng selectron trong XY l 20. Bit trong mi hp cht, Y chc mt mc oxi ha duy nht.

Cng thc XY lA. MgO. B. AlN. C. LiF. D. NaF.V d4. (C8) Nguyn t ca nguyn t X c tng s ht electron trong cc phn lp p l 7. S ht mangin ca mt nguyn tY nhiu hn sht mang in ca mt nguyn tX l 8 ht. Cc nguyn tXv Y lnlt l (bit shiu nguyn tca nguyn t: Na = 11; Al = 13; P = 15; Cl = 17; Fe = 26)A. Fe v Cl. B. Na v Cl. C. Al v Cl. D. Al v P.V d5. Hp cht v cT c cng thc phn tXY2. Tng scc ht trong phn tT l 66, trong sht

mang in nhiu hn sht khng mang in l 22 ht. Skhi ca Y nhiu hn X l 4. Sht trong Y nhiuhn sht trong X l 6 ht. Cng thc phn tca T l:

A.ON2. B.NO2. C.OF2. D.CO2.V d6. Mt hp cht ion to ra tion M+v ion X2. Trong phn tM2X c tng scc ht l 140, trong sht mang in nhiu hn sht khng mang in l 44. Skhi ca M+ln hn skhi ca X2l 23. Tng

sht trong M+nhiu hn trong X2l 31. Tm in tch ht nhn, skhi ca M v X. Cng thc phn tca

M2X l:

A.K2O. B.Na2O. C.Na2S. D.Li2S.V d7.

Trong phn tMX2, trong M chim 46,67% vkhi lng. Ht nhn M c sntron nhiu hn s

proton l 4 ht. Trong ht nhn X sntron bng sproton. Tng sproton trong phn tMX2l 58. Cng thcphn tca MX2l

A.FeS2. B.NO2. C.SO2. D.CO2.V d8.

Mt nguyn tX c tng selectron cc phn lp s l 6 v tng selectron lp ngoi cng l 7.

X l nguyn tno sau y ?

A.F (Z = 9). B.P (Z = 15). C.S (Z = 16). D.Cl (Z = 17).V d9. Nguyn t ca nguyn t X c tng selectron cc phn lp p l 11. Nguyn t X thuc loinguyn t

A.s. B.p. C.d. D.f.


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V d10.Bit rng cc electron ca nguyn tX c phn btrn bn lp electron (K, L, M, N), lp ngoicng c 5 electron. Selectron lp M trong nguyn tX lA.8. B.18. C.11. D.13.V d11.Cho bit shiu nguyn tca cc nguyn tX v Y ln lt l ZX= 24, ZY= 29. Cu hnh electronnguyn tca X, Y ln lt lA.[Ar] 3d44s2v [Ar] 3d94s2. B.[Ar] 3d54s1v [Ar] 3d94s2.

C.[Ar] 3d4

4s2

v [Ar] 3d10

4s1

. D.[Ar] 3d5

4s1

v [Ar] 3d10

4s1

.V d12.Cho cc nguyn tK (Z = 19), Sc (Z = 21), Cr (Z = 24), Cu (Z = 29). Cc nguyn tc selectronlp ngoi cng bng nhau lA.K, Sc. B.Sc, Cr, Cu. C.K, Cr, Cu. D.K, Sc, Cr, Cu.V d13.

Nguyn tnguyn tX c tng sht (p, n, e) l 76, trong sht mang in nhiu hn shtkhng mang in l 20 ht. Cu hnh electron nguyn tca nguyn tX lA.[Ar] 3d54s1. B.[Ar] 3d44s2. C.[Ar] 4s13d5. D.[Ar] 4s23d4.V d14.

Nguyn tX c tng selectron cc phn lp s l 7. Shiu nguyn tca nguyn tX c thlA.19 hoc 24. B.19 hoc 29. C.24 hoc 29. D.19, 24 hoc 29.V d15.Cu hnh electron trng thi cbn ca nguyn tno sau y c electron c thn obitan s ?

A.Cr (Z = 24). B.Mn (Z = 25). C.Fe (Z = 26). D. Co (Z = 27).V d16.Cu hnh electron trng thi cbn ca nguyn tno sau y c 4 electron c thn obitan d ?A.Cr (Z = 24). B.Mn (Z = 25). C.Fe (Z = 26). D.Co (Z = 27).V d17.Nguyn tX c 3 electron c thn phn lp 3d. Shiu nguyn tca X lA.21. B.23. C.23 hoc 27. D.21 hoc 27.V d18.

Nguyn tca nguyn tno sau y c selectron c thn l ln nht ?A.Cl (Z = 17). B.Ca (Z = 20). C.Al (Z = 13). D.C (Z = 6).V d19.Trong 20 nguyn tu tin ca bng tun hon, snguyn tc 1 electron c thn trong cu hnhelectron nguyn tlA.5. B.6. C.7. D. 8.

V d20.

Trong 20 nguyn tu tin ca bng tun hon, snguyn tc 2 electron c thn trong cu hnhelectron nguyn tlA.4. B.6. C.8. D.10.V d21.

Cho bit st c shiu nguyn tl 26. Cu hnh electron ca ion Fe2+lA.1s22s22p63s23p63d64s2. B.1s22s22p63s23p63d6.C.1s22s22p63s23p63d54s1. D.1s22s22p63s23p63d44s2.V d22.

Cho bit shiu nguyn tca cc nguyn tX v Y ln lt l ZX= 24, ZY= 26. Cu hnh electronca X v Y2+ln lt lA.[Ar] 3d44s2v [Ar] 3d44s2. B.[Ar] 3d54s1v [Ar] 3d6.C.[Ar] 3d54s1v [Ar] 3d54s1. D.[Ar] 3d54s1v [Ar] 3d64s2.

V d23.

Cho 3 ion: Na+

, Mg2+

, F

(vi:23 24 19

11 12 9Na, Mg, F ). Cu no sau y khngng ?A.3 ion trn c cu hnh electron ging nhau. B.3 ion trn c sht ntron khc nhau.C.3 ion trn c sht electron bng nhau. D.3 ion trn c sht proton bng nhau.V d24.(A11)Cu hnh electron ca ion Cu2+v Cr3+ln lt lA. [Ar] 3d9v [Ar] 3d14s2. B. [Ar] 3d74s2v [Ar] 3d14s2.C. [Ar] 3d9v [Ar] 3d3. D. [Ar] 3d74s2v [Ar] 3d3.



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001. ( )

V d26.Cho dy cc kim loi: Na, K, Mg, Ca, Ba, Al, Cu, Ag, Au, Fe. S kim loi c kiu tinh th lp

phng tm khi, lp phng tm din v lc phng ln lt l:

A.3; 4; 3. B.3; 5; 2. C.4; 4; 2. D.4; 5; 1.

V d27.Ba dng tinh thphbin ca kim loi v snguyn tkim loi (N) trong mi cstng ng l

A.lp phng tm khi (2) ; lp phng tm din (4) ; lc phng (6).

B.lp phng tm khi (5) ; lp phng tm din (4) ; lc phng (2).

C.lp phng tm khi (5) ; lp phng tm din (5) ; lc phng (6).

D.lp phng tm khi (2) ; lp phng tm din (4) ; lc phng (2).

V d28.Trong mng tinh thlp phng tm din, cc nguyn ttip xc nhau mt bn. ng cho ca

mt c di bng 4 ln bn knh ca nguyn t. % chim chca nguyn tkim loi trong loi mng ny l

A.68%.

B.72%.

C.74%.

D.76%.

V d29.Bit tinh thkim loi K c cu trc lp phng tm khi. Khi lng ca mt csca K l (cho:

K = 39, NA= 6,02.1023)

A.0,65.1022gam. B.1,30.1022gam. C.2,59.1022gam. D.3,89.1022gam.

V d30.

(A11) Khi lng ring ca canxi kim loi l 1,55 g/cm3. Gi thit rng trong tinh th canxi cc

nguyn tl nhng hnh cu chim 74% thtch tinh th, phn cn li l khe rng. Bn knh nguyn tcanxi

tnh theo l thuyt l:

A. 0,196 nm. B. 0,185 nm. C. 0,168 nm. D. 0,155 nm.

V d31.Kim loiNi c cu trc mng tinh ththeo kiu lp phng tm din. Bn knh nguyn tca Ni l

0,124 nm. Khi lng ring ca niken l (Cho Ni = 58,7)

A. 7,19 g/cm3. B. 7,87 g/cm3. C. 8,90 g/cm3. D. 9,06 g/cm3.

V d32.Trong tnhin hiro c 2 ng vbn l 1H, 2H ; clo c hai ng vbn l 35Cl, 37Cl. Sloi phn t

HCl khc nhau c thto thnh tcc ng vtrn l

A.2. B.4. C.6. D.8.


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V d33.Trong tnhin oxi c 3 ng vl 16O, 17O, 18O ; cn cacbon c 2 ng vl 12C, 13C. Sloi phn t

kh cacbonic ti a c thto thnh tcc ng vtrn l

A.6. B.12. C.9. D.18.

V d34.Hiro c 3 ng v1H, 2H, 3H. Oxi c 3 ng v l 16O, 17O, 18O. S loi phn tnc khc nhau

c to thnh l

A.9. B.12. C.18. D.27.V d35.(C7) Trong tnhin, nguyn tng c hai ng vl

63

29Cu v

65

29Cu . Nguyn tkhi trung bnh ca

ng l 63,54. Thnh phn phn trm tng snguyn tca ng v65

29Cu l

A. 27%. B. 50%. C. 54%. D. 73%.

V d36.Trong tnhin magie c 3 ng vbn 24Mg chim 78,99%, 25Mg chim 10,00% v 26Mg. Nguyn t

khi trung bnh ca Mg l

A.24,00. B.24,11. C.24,32. D.24,89.

V d37.Nguyn tkhi trung bnh ca nguyn tX l 79,91. Bit X c hai ng v trong ng v 79X

chim 54,5% snguyn t. Nguyn tkhi ca ng vcn li l

A.80. B.81. C.82. D.83.

V d38.

Nguyn t khi trung bnh ca Ne l 20,19. Bit Ne c ba ng v trong ng v 20Ne chim

90,48% v ng v21Ne chim 0,27% snguyn t. Nguyn tkhi ca ng vcn li l

A.18. B.19. C. 22. D.23.

V d39.Nguyn tX c hai ng vX1v X2. Tng sht khng mang in trong X1v X2l 90. Nu cho

1,2 gam Ca tc dng vi mt lng X va th thu c 5,994 gam hp cht CaX2. Bit tlsnguyn tX1 :

X2 = 9 : 11. Skhi ca X1, X2ln lt l

A. 81 v 79. B. 75 v 85. C. 79 v 81. D. 85 v 75.

V d40.Trong t nhin st gm 4 ng v 54Fe chim 5,8%, 56Fe chim 91,72%, 57Fe chim 2,2% v 58Fe

chim 0,28%. Brom l hn hp hai ng v 79Br chim 50,69% v 81Br chim 49,31%. Thnh phn % khi

lng ca 56Fe trong FeBr3l

A.17,36%. B.18,92%. C.27,03%. D.27,55%.

V d41.(B11)Trong tnhin clo c hai ng vbn: 3717 Cl chim 24,23% tng snguyn t, cn li l35

17Cl .

Thnh phn % theo khi lng ca 3717 Cl trong HClO4l (Cho: H = 1, O = 16):

A.8,92% B.8,43% C.8,56% D.8,79%V d42.Bo c 2 ng vl 10B v 11B vi nguyn tkhi trung bnh l 10,81. Thnh phn % vkhi lng

ca ng v11B cha trong H3BO3l (Cho: H = 1, O = 16)

A.14,00%. B.14,16%. C.14,42%. D.15,00%.

Bin son: Thy L PHM THNH

ng k LUYN THI ONLINE ti: Moon.vn


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002. ( )

V d1.

(A7) Anion X v cation Y2+u c cu hnh electron lp ngoi cng l 3s23p6.V tr ca ccnguyn ttrong bng tun hon cc nguyn tha hc l:A. X c stht17, chu k4, nhm VIIA; Y c stht20, chu k4, nhm IIA.B. X c stht18, chu k3, nhm VIA; Y c stht20, chu k4, nhm IIA.C. X c stht17, chu k3, nhm VIIA; Y c stht20, chu k4, nhm IIA.D. X c stht18, chu k3, nhm VIIA; Y c stht20, chu k3, nhm IIA.V d2. (A9) Cu hnh electron ca ion X2+l 1s22s22p63s23p63d6. Trong bng tun hon cc nguyn thohc, nguyn tX thucA. chu k 4, nhm VIIIA. B. chu k 4, nhm IIA. C. chu k 3, nhm VIB. D. chu k 4, nhm VIIIB.V d3. (C9) Nguyn t ca nguyn t X c electron mc nng lng cao nht l 3p. Nguyn t canguyn tY cng c electron mc nng lng 3p v c mt electron lp ngoi cng. Nguyn tX v Yc selectron hn km nhau l 2. Nguyn tX, Y ln lt lA. kim loi v kim loi. B. phi kim v kim loi. C. kim loi v kh him. D. kh him v kim loi.V d4.Trong bng tun hon c 16 nhm nguyn t(8 nhm A, 8 nhm B), snhm nguyn tc cha kimloi v snhm nguyn tchcha kim loi ln lt l:A.11; 9. B.11; 10. C.14; 9. D.14; 10.V d5.Hai nguyn tX v Y ng ktip nhau trong mt chu k c tng sproton trong hai ht nhn nguyntl 25. X v Y thuc chu k v cc nhm no sau y ?A.Chu k 2 ; cc nhm IA v IIA. B.Chu k 3 ; cc nhm IA v IIA.C.Chu k 2 ; cc nhm IIA v IIIA. D.Chu k 3 ; cc nhm IIA v IIIA.V d6.

X v Y l hai nguyn ttrong cng mt nhm v hai chu k lin tip ca bng tun hon. Tng sproton trong ht nhn ca hai nguyn tX v Y bng 32. Hai nguyn t lA.Mg (Z = 12) v Ca (Z = 20). B.Al (Z = 13) v K (Z = 19).C.Si (Z = 14) v Ar (Z = 18). D.Na (Z = 11) v Sc (Z = 21).V d7.Cu hnh electron trng thi cbn ca nguyn tnhm no sau y c 4 electron c thn obitand ?

A.IVA. B.VIA. C.VIB. D.VIIIB.V d8.

Trong scc nguyn tdi y, nguyn tno thhin tnh kim loi r nht ?A.Na. B.Mg. C.Ca. D.K.V d9.(B8) Dy cc nguyn tsp xp theo chiu tng dn tnh phi kim ttri sang phi l:A. P, N, O, F. B. P, N, F, O. C. N, P, O, F. D. N, P, F, O.V d10. Trong cc hiroxit di y, cht no c tnh axit mnh nht ?A.H2SO4. B.H2SeO4. C.HClO4. D.HBrO4.V d11. Tnh axit ca cc oxi axit thuc nhm VA theo trt tgim dn lA.H3SbO4> H3AsO4> H3PO4> HNO3. B.HNO3> H3PO4> H3AsO4> H3SbO4.C.H3SbO4> H3AsO4> HNO3 > H3PO4. D.HNO3> H3PO4> H3SbO4> H3AsO4.V d12.

Trong bng tun hon (trcc nguyn tnhm VIIIA), nguyn tc nng lng ion ha I1nhnhtv ln nht ln lt lA.Li v At. B.F v Fr. C.At v Li. D.Fr v F.


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V d13. Trong cc nguyn tchu k III: 11Na, 12Mg, 13Al, 15P,16S, nng lng ion ha thnht I1ca cc

nguyn ttrn tun theo trt tno sau y ?A.Na < Mg < Al < P < S. B.Na < Al < Mg < S < P. C.Na < Al < Mg < P < S. D.S < P < Al < Mg < Na.V d14. Dy cc nguyn tnguyn tno sau y c sp xp theo chiu tng dn m in ?A. Mg < Si < S < O. B. O < S < Si < Mg. C. Si < Mg < O < S. D. S < Mg < O < Si.V d15.

C cc nguyn t: Na, O, Al, P, N. Hy sp xp cc nguyn ttrn theo chiu tng dn ca m

in.A.Na < Al < P < N < O. B. Al < Na < P < N < O. C.Na < Al < N < P < O. D.Al < Na < N < P < O.V d16. (C7) Cho cc nguyn tM (Z = 11), X (Z = 17), Y (Z = 9) v R (Z = 19). m in ca ccnguyn ttng dn theo thtA. Y < M < X < R. B. R < M < X < Y. C. M < X < Y < R. D. M < X < R < Y.V d17. (C10) Cc kim loi X, Y, Z c cu hnh electron nguyn t ln lt l: 1s22s22p63s1; 1s22s22p63s2;1s

22s

22p

63s

23p

1. Dy gm cc kim loi xp theo chiu tng dn tnh kh t tri sangphi l

A. X, Y, Z. B. Z, X, Y. C. Z, Y, X. D. Y, Z, X.V d18. (A8) Bn knh nguyn tca cc nguyn t: 3Li, 8O, 9F, 11Na c xp theo thttng dn ttrisang phi l

A. F, Na, O, Li. B. F, Li, O, Na. C. F, O, Li, Na. D. Li, Na, O, F.V d19. Thtso snh bn knh nguyn tca cc nguyn t14Si, 17Cl, 20Ca, 37Rb l:A.rSi< rCl< rCa< rRb. B.rCl< rSi< rCa< rRb. C.rSi< rCl< rRb< rCa. D.rCl< rSi< rRb< rCa.V d20. (B9) Cho cc nguyn t: K (Z = 19), N (Z = 7), Si (Z = 14), Mg (Z = 12). Dy gm cc nguyn tc sp xp theo chiu gim dn bn knh nguyn tttri sang phi l:A. N, Si, Mg, K. B. K, Mg, Si, N. C. K, Mg, N, Si. D. Mg, K, Si, N.V d21. C cc tiu phn sau : O2, Al3+, Ca, Mg. Hy sp xp cc tiu phn trn theo chiu gimdn kchthc (bn knh).A.Mg > Ca > Al3+> O2. B.Ca > Mg > Al3+> O2. C.Mg > Ca > O2> Al3+. D.Ca > Mg > O2> Al3+.V d22. Cc ion hoc nguyn tsau u c 18 electron : P3, S2, Cl, Ar, K+, Ca2+. Chiu gimdn bn knh

ca cc tiu phn trn lA.P3> S2> Cl> Ar > K+> Ca2+. B.Ca2+> K+> Ar > Cl> S2> P3.C.Cl> S2> P3> Ar > K+> Ca2+. D.Ca2+> K+> Ar > P3> S2> Cl.V d23. Cho cc ion sau: 3Li

+, 11Na+, 17Cl

, 19K+, 35Br

, 53I. Chiu tng dn bn knh ca cc ion l :

A.Li+< Na+< K+< Cl< Br< I. B.Li+< Na+< Cl< K+< Br< I.C.K+< Cl< Br< I< Na+< Li+. D.Na+< K+< Cl< Br< I< Li+.V d24. (A10) Cc nguyn ttLi n F, theo chiu tng ca in tch ht nhn thA. bn knh nguyn ttng, m in gim. B. bn knh nguyn tv m in u tng.C. bn knh nguyn tgim, m in tng. D. bn knh nguyn tv m in u gim.V d25. (B7) Trong mt nhm A (phn nhm chnh), trnhm VIIIA (phn nhm chnh nhm VIII), theochiu tng ca in tch ht nhn nguyn tthA. m in gim dn, tnh phi kim tng dn. B. tnh phi kim gim dn, bn knh nguyn ttng dn.C. tnh kim loi tng dn, m in tng dn. D. tnh kim loi tng dn, bn knh nguyn tgim dn.V d26.

C 2 nguyn t25X v 35Y. iu khng nh no di y l khngng?A.Tnh kim loi ca X mnh hn ca Y. B.Nng lng ion ha thnht (I1) ca Y ln hn X.C.m in ca X nhhn Y. D.Y c selectron c thn nhiu hn X.



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002. ( )

V d27.

Khi cho 1,17 gam kim loi X (thuc nhm IA) tc dng ht vi nc to ra 0,336 lt kh hiro (ktc).

Kim loi X l

A.Li (7). B.Na (23). C.K (39). D.Rb (85).

V d28. X v Y l hai nguyn ttrong cng mt nhm v hai chu k lin tip ca bng tun hon. Tng s

proton trong ht nhn ca hai nguyn tX v Y bng 32. Hai nguyn t l

A.Mg (Z = 12) v Ca (Z = 20). B.Al (Z = 13) v K (Z = 19).

C.Si (Z = 14) v Ar (Z = 18). D.Na (Z = 11) v Sc (Z = 21).

V d29.

Cho 8,8 gam hn hp hai kim loi nm hai chu k lin tip nhau v thuc nhm IIIA, tc dng vi

HCl dthu c 6,72 lt kh hiro (ktc). Tn ca hai kim loi l

A.B v Al. B.Al v Ga. C.Ga v In. D.In v Tl.

V d30.

Cho 11,2 gam hn hp hai kim loi nhm IIA, thuc hai chu k lin tip, tc dng ht vi dung dch

H2SO4dthu c 4,48 lt kh hiro (ktc). Cc kim loi l

A. Be v Mg. B.Mg v Ca. C.Ca v Sr. D.Sr v Ba.

V d31. Hai nguyn tX v Y ng k tip nhau trong mt chu k c tng s proton trong hai ht nhn

nguyn tl 25. X v Y thuc chu k v cc nhm no sau y ?

A.Chu k 2 ; cc nhm IA v IIA. B.Chu k 3 ; cc nhm IA v IIA.C.Chu k 2 ; cc nhm IIA v IIIA. D.Chu k 3 ; cc nhm IIA v IIIA.

V d32.

Hai nguyn tca nguyn tX v Y c cu hnh electron lp ngoi cng l 4pav 4sb. Tng s

electron hai phn lp ngoi cng ca X v Y l 7. Bit X khng phi l kh him. Vy Y v X ln lt l:

A.K v Br. B.Ca v Br. C.K v S. D.Ca v S.

V d33. Nguyn tX c 7 electron p. Nguyn tY c tng sht mang in nhiu hn tng sht mang

in ca X l 8 ht. Selectron trong phn thp cht to thnh gia X v Y l :

A.30. B.76. C.34. D.64.

V d34. Oxit cao nht ca nguyn tR c dng R2O5. Trong hp cht vi hiro, R chim 91,18% vkhi

lng. R l nguyn tno di y ?

A.Nit(N). B.Photpho (P). C.Asen (As). D.Antimon (Sb).

V d35. Hp cht kh vi H ca nguyn tR l RH4. Oxit cao nht ca n cha 46,7% R vkhi lng.

Nguyn tR l

A.C. B.Si. C.O. D. S.

V d36. (B8) Cng thc phn tca hp cht kh to bi nguyn tR v hiro l RH3. Trong oxit m Rc

ho trcao nht th oxi chim 74,07% vkhi lng. Nguyn tR l

A. As. B. N. C. S. D. P.


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V d37. (A9) Nguyn t ca nguyn tX c cu hnh electron lp ngoi cng l ns2np4. Trong hp cht

kh ca nguyn t X vi hiro, X chim 94,12% khi lng. Phn trm khi lng ca nguyn t Xtrong

oxit cao nht l

A. 50,00%. B. 27,27%. C. 60,00%. D. 40,00%.

V d38.

Oxit ca nguyn tX nhm IIB cha 19,75% oxi vkhi lng. Nguyn tX l

A.Cu. B.Fe. C.Ni. D.Zn.V d39. R l kim loi nhm IIA. Tl% khi lng ca R trong hp cht vi hiro v oxit l 4 : 3. Kim loi

R l

A.Be. B.Mg. C.Ca. D.Sr.

V d40. R l kim loi nhm IA. Tl% khi lng ca R trong hp cht vi hiro v oxit l 1,291 : 1. Kim

loi R l

A.Li. B.Na. C.K. D.Rb.

V d41. Hp cht R c to bi 2 nguyn tX, Y u thuc nhm A c MR= 76 vC. Ha trtrong hp

cht vi hiro ca X, Y ln lt l n, m ; ha trcao nht trong hp cht vi oxi l n v 3m. Bit rng trong R

nguyn tX c ha trcao nht. Cng thc ca R l

A.SiO2. B.CaF2. C.CS2. D.Na2S.

V d42. X l nguyn t thuc nhm VIIA. Oxit cao nht ca n c phn t khi l 183 vC. Y l kim loi

nhm IIA. Cho 10,08 lt kh X (ktc) tc dng va vi Y thu c 93,6 gam mui. Y l kim loi no di

y ?

A. Be. B. Mg. C. Ca. D. Ba.

V d43. Oxit cao nht ca nguyn tR c khi lng phn tl 108. Nguyn tR l:

A.Si B.N C.P D.C.

V d44.

Oxit cao nht ca nguyn tR c khi lng phn tl 80. Nguyn tR l:A.Si B.N C.P D.Cu v S.

V d45. (A12) Phn trm khi lng ca nguyn tR trong hp cht kh vi hiro (R c soxi ha thp

nht) v trong oxit cao nht tng ng l a% v b%, vi a : b = 11 : 4. Pht biu no sau y l ng?

A.Oxit cao nht ca R iu kin thng l cht rn.

B.Nguyn tR (trng thi cbn) c 6 electron s.

C.Trong bng tun hon cc nguyn tha hc, R thuc chu k 3.

D.Phn toxit cao nht ca R khng c cc.

V d46. M l mt nguyn tnhm VA, X l hp cht ca M vi hiro, Y l oxit cao nht ca M. t chy

mt lng X cn va 6,4 gam oxi thu c 7,1 gam Y. Kt lun no vM l sai ?

A. M chu k 3.

B. M c nhiu dng th hnh.

C. Lp vnguyn tca M c 5 electron c thn trng thi cbn.

D. Nguyn tkhi ca M l 31u.




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CsI: Ng 72 - Tn Tht Tng (gn H Y H Ni) CsII: S16A (i din cng phTHPT Nguyn Huc)

004. ( )

V d1.

(C9) t chy hon ton 7,2 gam kim loi M (c ho trhai khng i trong hp cht) trong hn hp

kh Cl2v O2. Sau phn ng thu c 23,0 gam cht rn v thtch hn hp kh phn ng l5,6 lt (ktc).

Kim loi M l

A. Mg. B. Ca. C. Be. D. Cu.

V d2. (C8) Trn 5,6 gam bt st vi 2,4 gam bt lu hunh ri nung nng (trong iu kin khng c khng

kh), thu c hn hp rn M. Cho M tc dng vi lng ddung dch HCl, gii phng hn hp kh X v cn

li m

t ph

n khng tan G.

t chy hon ton X v G cn v

a

V lt kh O2(

ktc). Gi trca V l

A. 2,80. B. 3,36. C. 3,08. D. 4,48.

V d3. (B12) Dn lung kh CO i qua hn hp gm CuO v Fe2O3nung nng, sau mt thi gian thu c

cht rn X v kh Y. Cho Y hp thhon ton vo dung dch Ba(OH)2d, thu c 29,55 gam kt ta. Cht rn

X phn ng vi dung dch HNO3dthu c V lt kh NO (sn phm khduy nht ktc). Gi trca V l

A.2,24 B.4,48 C.6,72 D.3,36.

V d4.Trn 0,54 gam bt Al vi hn hp bt Fe2O3v CuO ri tin hnh phn ng nhit nhm nhit

cao trong iu kin khng c khng kh mt thi gian thu c hn hp rn X. Ha tan X trong dung dch

HNO3c dth thu c V lt kh NO2(sn phm khduy nht) ktc. Gi trca V l

A.0,672. B.0,896. C.1,120. D.1,344.

V d5.

(C12)Ha tan hon ton 2,7 gam hn hp X gm Fe, Cr, Al bng dung dch HCl d, thu c 1,568

lt kh H2(ktc). Mt khc, cho 2,7 gam X phn ng hon ton vi kh Cl2d, thu c 9,09 gam mui. Khi

lng Al trong 2,7 gam X l bao nhiu ?

A.0,54 gam B.0,81 gam C.0,27 gam D.1,08 gam

V d6.

Cho 23,52 gam hn hp X gm Mg, Fe, Cu vo 200ml dung dch HNO33,4M. Khuy u thy thot

ra kh NO (sn phm khduy nht), trong dung dch cn dmt kim loi cha tan ht; tip ttdung dch

H2SO45M vo, cht kh trn li thot ra cho n khi kim loi va tan ht th cn va ht 44ml, thu c dung

dch Y. Ly 1/2 dung dch Y, cho dung dch NaOH dvo, lc ly kt ta, nung trong khng kh n khi

lng khng i c cht rn Z nng 15,6 gam. Smol Fe c trong hn hp X l

A.0,06. B.0,12. C.0,24. D.0,36.


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CsI: Ng 72 - Tn Tht Tng (gn H Y H Ni) CsII: S16A (i din cng phTHPT Nguyn Huc)

V d7.

(B7) Cho 0,01 mol mt hp cht ca st tc dng ht vi H2SO4c nng (d), chthot ra 0,112 lt

(ktc) kh SO2(l sn phm khv kh duy nht). Cng thc ca hp cht st l

A. FeS. B. FeS2. C. FeO. D. FeCO3.

V d8. (A9) Cho hn hp gm 1,2 mol Mg v x mol Zn vo dung d ch cha 2 mol Cu2+v 1 mol Ag+n khi

cc phn ng xy ra hon ton, thu c mt dung dch cha ba ion kim loi. Trong cc gitrsau y, gi tr

no ca x thomn trng hp trn ?

A. 1,8. B. 1,5. C. 1,2. D. 2,0.

V d9.Cho 0,05 mol Al v 0,02 mol Zn tc dng hon ton vi 2 lt dung dch HNO3long, sau phn ng thu

c 0,112 lt kh khng mu (ktc). Phn dung dch em c cn thu c 15,83 gam mui khan. Nng mol

ca dung dch HNO3 dng l

A.0,1125M. B.0,1450M. C.0,1150M. D.0,1175M.

V d10. Ha tan hon ton 30,0 gam hn hp X gm Mg, Al, Zn trong dung dch HNO3, sau phn ng hon

ton thu c dung dch Y v hn hp kh Z gm 0,1 mol N2O v 0,1 mol NO. C cn dung dch sau phn ng

thu c 127 gam hn hp mui. Smol HNO3 bkhtrong phn ng trn l bao nhiu ?

A. 0,30 mol. B. 0,35 mol. C. 0,40 mol. D. 0,45 mol.

V d11. Cho dng kh CO i qua ng scha 0,3 mol hn hp FeO v Fe3O4nung nng, sau phn ng thu

c 3,36 lt CO2 (ktc). Hn hp cht rn cn li trong ng snng 51,2 gam, ha tan hn hp cht rn ny

vo dung dch HNO3dthu c V lt kh NO (sn phm khduy nht). Thtch V (o ktc) l

A.2,24 lt. B.4,48 lt. C.6,72 lt. D.8,96 lt.

V d12.Cho dng kh CO i qua ng sng 0,12 mol hn hp X gm FeO v Fe2O3nung nng, thu c

14,352 gam hn hp rn Y v 0,138 mol CO2. Ha tan ht Y vo dung dch HNO3dc V lt kh NO (sn

phm khduy nht, ktc). Gi trca V l

A.0,224. B.0,672. C.2,285. D.6,857.



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TRUNG TM BI DNG KIN THC v LUYN THI I HC ThyL Phm Thnh(0976.053.496)

Lin hhc offline ti H Ni: Thy L Phm Thnh(E-mail: [email protected] Phone: 0976.053.496)

V d1.Cho dy cc cht sau: CaC2, C2H2, C2H5OH, NaOH, CH3CN, HCN, CO2, HCOONa, NaHCO3,CF2Cl2. Shp cht hu cc trong dy trn lA.4. B.5. C.6. D.7.V d2.C cc phng php schhp cht hu c:(a)Gi l cy chm, cho vo nc, lc ly dung dch mu nhum si, vi.(b)Nu ru ung.(c)Ngm ru thuc, ru rn.(d)Lm ng ct, ng phn tnc ma.(e)Nu nc l xng hi.

(g)Mui da, mui c.(h)un si du th tch ring nha ng, du nhn, du iezen, du ha, xng, (i)Nu cao ng vt (h, trn, ).Sphng php schthuc loi chng ct, chit, kt tinhln lt l:

A.2; 3; 2. B.2; 3; 3. C.3; 2; 2. D.3; 3; 2.V d3.

C cc m tsau:(a)Phn tphi cha C.(b)Dbay hi, kh chy.(c)Thng km bn vi nhit.(d)Thng khng tan hoc t tan trong nc.(e)Lin kt ha hc thng l cng ha trkhng phn cc.Sc im chung ca cc hp cht hu cl:

A.2. B.3. C.4. D.5.V d4.Cho dy cc cht sau: C4H10, CF2Cl2, C2H4, C2H5OH, C6H6, CH3CHO, CH2O3, C12H22O11, HCN,CH8O3N2. Sdn xut ca hirocacbon c trong dy trn lA.4. B.5. C.6. D.7.V d5.Cho tn gi ca cc cht sau: butan (1); axeton (2); imetyl ete (3); axit lactic (4); saccaroz(5); ancoletylic (6); anehit oxalic (7); pheromon (8); propan-1,2,3-triol (9); axit butyric (10).Scht c gi theo tn hthng l

A.4. B.5. C.6. D.7.V d6.Khng nh no sau y khng ngkhi ni vc im ca cc phn ng ca cc hp cht hu c?A.Phn ng ca cc hp cht hu cthng xy ra chm v khng hon ton.B.Phn ng ca cc hp cht hu cthng xy ra khng theo mt hng nht nh.C.cho phn ng ca cc hp cht hu cxy ra c, ngi ta thng un nng v dng cc cht xc tc.D.a scc hp cht hu cbn vi nhit , khng bchy khi t.



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V d1. Thnh phn cc nguyn ttrong hp cht hu cc c im l

A. Gm c C, H v cc nguyn tkhc.

B. Gm tt ccc nguyn ttrong bng tun hon.

C. Thng c C, H hay gp O, N sau n halogen, S, P.

D. Nht thit phi c cacbon, thng c H, hay gp O, N sau nhalogen, S, P...

V d2. Nung mt hp cht hu cX vi lng dcht oxi ha CuO ngi ta thy thot ra kh CO2, hi H2O

v kh N2. Kt lun chnh xc nht vX l:

A. X l hp cht ca 3 nguyn tC, H, N. B. X chc chn c cha C, H; c thc N.

C. X chc chn cha C, H, N; c thc O. D. X l hp cht ca 4 nguyn tC, H, N, O.V d3. nhn bit nguyn tH trong phn thp cht hu cX, ngi ta oxi ha hon ton X bng CuO

d, ri dn hn hp sn phm thu c qua bnh cha

A. nc vi trong d. B.P2O5khan. C. H2SO4c. D. CuSO4khan.

V d4.

t chy mt hp cht hu cX (cha C, H, O) bng lng O2dc hn hp kh Z. Mun tch

O2dra khi Z th dn hn hp kh Z qua bnh cha lng d

A. Photpho trng. B.P2O5khan. C. dung dch kim. D. H2SO4c.

V d5.

Khi t chy hon ton 0,29 gam cht hu cX gm C, H, O, sn phm chy cho qua bnh ng CaO

d, khi lng bnh tng 0,93 gam, nhng nu qua bnh ng P2O5dth khi lng bnh chtng 0,27 gam.

Thnh phn % khi lng ca nguyn tO trong X lA. 27,59%. B. 33,46%. C. 42,51%. D. 62,07%.

V d6.

Khi phn tch 0,5 gam cht hu cX, kh NH3to thnh cho qua bnh ng 30 ml dung dch H2SO4

0,5M, sau phn ng lng axit dc trung ha bi 4,5 ml dung dch NaOH 1M. Thnh phn % vkhi

lng ca nguyn tN trong X l

A. 3,57%. B. 7,14%. C. 35,7%. D. 71,4%.

V d7. (B7) Hai este n chc X v Y l ng phn ca nhau. Khi ho hi 1,85 gam X, thu c thtchhing bng thtch ca 0,7 gam N2(o cng iu kin). Cng thc cu to thu gn ca X v YlA. C2H5COOCH3v HCOOCH(CH3)2. B. HCOOC2H5v CH3COOCH3.C. C2H3COOC2H5v C2H5COOC2H3. D. HCOOCH2CH2CH3v CH3COOC2H5.


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V d8. Paracetamol (X) l thnh phn chnh ca thuc hst v gim au. Oxi ha hon ton 5,285 gam X

bng CuO d, dn sn phm chy ln lt qua bnh 1 ng H2SO4c, bnh 2 ng Ba(OH)2d. Sau khi kt

thc th nghim thy khi lng bnh 1 tng 2,835 gam, bnh 2 to thnh 55,16 gam kt ta v cn 0,392 lt

kh (ktc) thot ra. CTPT (trng vi cng thc n gin nht) ca paracetamol l

A. C4H9N. B. C4H9O2N. C. C8H9N. D. C8H9O2N.

V d9. Vitamin A l mt cht dinh dng thit yu cho con ngi. Trong thc phm, vitamin A tn ti

dng chnh l retinol (cha C, H, O) trong thnh phn % khi lng H v O tng ng l 10,49% v

5,594%. Bit retinol cha 1 nguyn tOxi, cng thc phn tca retinol l

A. C18H30O. B. C20H30O. C. C21H18O. D. C22H30O.

V d10.(A9) Mt hp cht X cha ba nguyn tC, H, O c tlkhi lng mC: mH: mO = 21 : 2 : 4. Hp

cht X c cng thc n gin nht trng vi cng thc phn t. Sng phn cu to thuc loi hp cht thm

ng vi cng thc phn tca X l

A. 3. B. 6. C. 4. D. 5.

V d11.

Cho 5 ml hirocacbon X thkh vi 30 ml O2(ly d) vo kh kri bt tia la in t sau lmlnh thy trong kh kcn 20 ml kh trong c 15 ml kh bhp thbi dung dch KOH, phn cn li hp th

bi P trng. Cng thc phn tca X l:

A.CH4. B.C2H6. C.C3H8. D.C4H10.

V d12.

(B7) Trong mt bnh kn cha hi cht hu cX (c dng CnH2nO2) mch hv O2(smol O2gp

i smol cn cho phn ng chy) 139oC, p sut trong bnh l 0,8 atm. t chy hon tonX sau a v

nhit ban u, p sut trong bnh lc ny l 0,95 atm. X c cng thc phn tlA. C2H4O2. B. C3H6O2. C. C4H8O2. D. CH2O2.




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014. ( )

1. V d1. Chn nh ngha ng nht vlin kt cng ha tr.Lin kt cng ha trl lin ktA.gia cc phi kim vi nhau.B.trong cp electron chung blch vmt nguyn t.C.c hnh thnh gia 2 nguyn tbng cc electron chung.D.c hnh thnh do sdng chung electron ca 2 nguyn tkhc nhau.V d2. Lin kt xichma () l lin kt ho hc trong trc ca obitan lin ktA.trng vi ng ni tm ca hai nguyn tlin kt.B.song song vi ng ni tm ca hai nguyn tlin kt.C.vung gc vi ng ni tm ca hai nguyn tlin kt.D.to vi ng ni tm ca hai nguyn tlin kt mt gc 45o.V d3.

Lin kt pi l lin ktA.c sxen phtrc ca cc cp electron dng chung gia hai nguyn t.B.c scho nhn cc electron gia hai nguyn t.C.c sxen phtrc ca cc obitan lin kt gia hai nguyn t.D.c sxen phbn ca cc obitan lin kt gia hai nguyn t.V d4.

Lin kt ba l lin kt ho hc gmA. ba lin kt xichma .B.hai lin kt xichma v mt lin kt pi .

C.mt lin kt xichma v hai lin kt pi .D.mt lin kt xichma , mt lin kt pi v mt lin kt cho nhn.V d5. (C10) Slin kt (xch ma) c trong mi phn t: etilen; axetilen; buta-1,3-ien ln lt lA. 3; 5; 9. B. 5; 3; 9. C. 4; 2; 6. D. 4; 3; 6.V d6.

Slng lin kt xch ma () v lin kt pi () trong phn tbenzen (C6H6) lA.3 lin kt v 3 lin kt . B.3 lin kt v 12 lin kt .C.3 lin kt v 9 lin kt . D.3 lin kt v 6 lin kt .

2. V d7.

Cc nguyn ttrong phn tbenzen C6H6cng nm trn mt mt phng, iu chng ttrong phn

tbenzen, cc nguyn tcacbon trng thiA.lai ho sp. B.lai ho sp2. C.lai ho sp3. D.khng lai ha.V d8.

Cho cng thc cu to ca vinylaxetilen :

Trng thi lai ha ca cc nguyn tC (theo thtttri qua phi) lA. sp, sp, sp2, sp2. B.sp2, sp2, sp, sp. C.sp2, sp, sp2, sp. D.sp, sp2, sp, sp2.


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V d9. Xt hai phn tcht hu cX v Y :

Nhn xt no di y l ng ?

A.Phn tX v Y c slin kt v slin kt bng nhau.

B.Phn tX c slin kt nhiu hn, nhng slin kt t hn Y.

C.Phn tX c slin kt t hn, nhng slin kt nhiu hn Y.

D.Slin kt v trong phn tX u nhiu hn Y.

V d10.Cho cc phn tcht hu c: CH3-CH3(X) ; CH2=CH2(Y) ; CHCH (Z).

Nhn xt no di y l ng ?

A.di lin kt cacbon-cacbon tng theo tht: Z < Y < X.

B.Slin kt trong cc phn ttrn l bng nhau.

C.Gc lin kt HCC trong cc phn tny l bng nhau.

D.Khnng tham gia phn ng ca cc cht tng theo trt t: Z < Y < X.

2.

V d11.nh ngha ng ng no sau y l ng ?

A.Nhng cht ng ng l nhng hp cht c thnh phn phn thn km nhau mt hay nhiu nhm CH2nhngc tnh cht ho hc tng tnhau.

B.Nhng cht ng ng l nhng n cht c thnh phn phn thn km nhau mt hay nhiu nhm CH2

nhng c tnh cht ho hc tng tnhau.

C.Nhng cht ng ng l nhng hp cht c thnh phn phn thn km nhau mt nhm CH2nhng c tnh

cht ho hc tng tnhau.

D.Nhng cht ng ng l nhng hp cht c thnh phn phn t hn km nhau mt hay nhiu nhm CH2

nhng c tnh cht ho hc khc nhau.

V d12.

(B8) Ba hirocacbon X, Y, Z l ng ng ktip, khi lng phn tca Z bng 2 ln khi lngphn tca X. Cc cht X, Y, Z thuc dy ng ng

A. xicloankan. B. ankin.

C. anken. D. anken hoc xicloankan.

V d13.(A7) Ba hirocacbon X, Y, Z ktip nhau trong dy ng ng, trong khi lng phn tZ gp

i khi lng phn tX. t chy 0,1 mol cht Y, sn phm kh hp thhon ton vo dung dch Ca(OH)2

(d), thu c sgam kt ta l

A. 20. B. 40. C. 30. D. 10.


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3.

V d14.nh ngha ng phn no sau y l ng ? ng phn l

A.nhng hp cht khc nhau nhng c cng cng thc phn t.

B.nhng n cht khc nhau nhng c cng cng thc phn t.

C.nhng hp cht ging nhau v c cng cng thc phn t.

D.nhng hp cht khc nhau nhng c cng dng cng thc cu to.

V d15.Sng phn ng vi c cng thc phn tC4H10O l:

A. 4. B. 5. C. 6. D. 7.

V d16.Sng phn ng vi c cng thc phn tC4H11N l:

A. 4. B. 6. C. 7. D. 8.

V d17.

(A10) Cht c nhiu ng phn cu to trong s: C3H8, C3H7Cl, C3H8O v C3H9N l

A. C3H9N. B. C3H7Cl. C. C3H8O. D. C3H8.

V d18.(C10NC) Cht no sau y c ng phn hnh hc ?

A. But-2-in. B. But-2-en. C. 1,2-icloetan. D. 2-clopropen.

V d19.(C9NC) Cho cc cht sau: CH2=CH-CH=CH2; CH3-CH2-CH=C(CH3)2; CH3-CH=CH2;

CH3-CH=CH-CH=CH2; CH3-CH=CH-COOH. Scht c ng phn hnh hc l

A. 4. B. 3. C. 2. D. 1.

V d20.Shirocacbon c cng thc phn tC4H8l:

A. 3. B. 4. C. 5. D. 6.




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V d1.

(A8) Cho iso-pentan tc dng vi Cl2theo tlsmol 1 : 1, ssn phm monoclo ti a thu cl

A. 2. B. 4. C. 3. D. 5.

V d2.

Khi cho 2-metylbutan tc dng vi Cl2theo tlmol 1:1 th to ra sn phm chnh l

A.1-clo-2-metylbutan. B.2-clo-2-metylbutan.

C.2-clo-3-metylbutan. D.1-clo-3-metylbutan.

V d3. (B7) Khi brom ha mt ankan chthu c mt dn xut monobrom duy nht c tkhi hi i vi

hiro l 75,5. Tn ca ankan l

A. 3,3-imetylhexan. B. isopentan. C. 2,2-imetylpropan. D. 2,2,3-trimetylpentan.

V d4. (B8) Hirocacbon mch hX trong phn tchcha lin kt v c hai nguyn tcacbon bc ba

trong mt phn t. t chy hon ton 1 thtch X sinh ra 6 thtch CO2(cng iu kin nhit ,p sut).Khi cho X tc dng vi Cl2(theo tlsmol 1 : 1), sdn xut monoclo ti a sinh ra l

A. 3. B. 4. C. 5. D. 2.

V d5. Sn phm chyu trong hn hp thu c khi cho cumen phn ng vi Cl2theo tlsmol 1:1 (c

chiu sng) l

A.m-clocumen. B.1-clo-1-phenylpropan.

C.o-clocumen v p-clocumen. D.2-clo-2-phenylpropan.


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V d6. Ankin C6H10c bao nhiu ng phn phn ng vi dung dch AgNO3/NH3?

A.3. B.4. C.5. D.6.

V d7. Mt hirocacbon X mch thng c cng thc phn t l C6H6. Khi cho X tc dng vi dung dch

AgNO3trong NH3th thu c hp cht hu cY c MY MX= 214u. Cng thc cu to ca X l

A. CHCCH2CH2CCH. B. CH3CCCH2CCH.

C. CH3CH2CCCCH. D. CHCCH(CH3)CCH.

V d8. (A11)Cho 13,8 gam cht hu cX c cng thc phn tC7H8tc dng vi mt lng ddung dch

AgNO3trong NH3, thu c 45,9 gam kt ta. X c bao nhiu ng phn cu to tha mn tnh cht trn ?

A.4. B. 6. C. 2. D. 5.

V d9. (C11) Sn phm chyu trong hn hp thu c khi cho toluen phn ng vi brom theo tlsmol

1:1 (c mt bt st) lA.o-bromtoluen v p-bromtoluen B.benzyl bromua

C.p-bromtoluen v m-bromtoluen D.o-bromtoluen v m-bromtoluen

V d10.Cht hu cH (cha 2 nguyn tX, Y); 150 < MH< 170. t chy hon ton m gam H c m gam

H2O. H khng tc dng vi dung dch brom, cng nhvi brom (Fe, to), nhng tc dng vi brom (chiu sng)

to thnh mt dn xut monobrom duy nht. Tn gi ca H l

A. naphtalen. B. 1,3,5trimetylbenzen.

C. 1,3,5trietylbenzen. D. hexametylbenzen.



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(

V d1.

Khi un nng kh metan vi xc tc thch hp, khngthto thnh sn phm no di y ?A.H2. B.C. C.C2H2. D.C2H6.V d2.

Nhit phn metan thu c hn hp X gm C2H2, CH4v H2. Tkhi hi ca X so vi H2bng 5.Hiu sut qu trnh nhit phn l:A.50%. B.60%. C.70%. D.80%.

V d3.

Thc hin phn ng tch H2 tn-butan (Ni, to) thu c hn hp X chgm cc anken v H2. Sanken ti a c thc trong X l:A.1. B.2. C.3. D.4.V d4.

C cc m tsau:(1)Ngoi vic tch trc tip tqu trnh chng ct du m, xicloankan cn c iu chtankan.(2)Trong cng nghip, etilen, propilen v butilen c thiu chbng phn ng tch H2tankan tng ng.(3)Hin nay trong cng nghip butaien v isopren c iu chtankan tng ng.(4)Tecpen, (C5H8)n(n 2) c thiu chbng phn ng tch H2tC5H12.(5)Phng php chnh iu chaxetilen trong cng nghip hin nay l i tmetan.(6)Benzen, toluen, xilen, c thiu chtankan hoc xicloankan.

Sm tng l:A.2. B.3. C.4. D.5.V d5. Hn hp kh gm etan v propan c tkhi so vi hiro l 20,25 c nung trong bnh kn vi chtxc tc thc hin phn ng hiro ha. Sau mt thi gian thu c hn hp kh c tkhi hi so vi H2l16,2 gm ankan, anken v hiro. Bit rng tc phn ng ca etan v propan l nhnhau, hiu sut phn nghiro ha l:A.25%. B.30%. C.40%. D.50%.

V d6. (A8) Khi crackinh hon ton mt thtch ankan X thu c ba thtch hn hp Y (cc thtchkh ocng iu kin nhit v p sut); tkhi ca Y so vi H2bng 12. X lA. C5H12. B. C3H8. C. C4H10. D. C6H14.


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V d7. Crackinh 5,8 gam C4H10 c hn hp kh X. Khi lng nc thu c khi t chy hon ton X l:A.9 gam B.4,5 gam C.18 gam D. 36 gam

V d8.

Crackinh 0,1 mol n-pentan c hn hp X. t chy ht X ri hp thsn phm chy bi nc vitrong d. Hi khi lng dung dch cui cng thu c tng hay gim bao nhiu ?

A. Gim 17,2 gam B.Gim 10,8 gam. C.Tng 10,8 gam. D.Tng 17,2 gam.

V d9. Nhit phn 8,8 gam C3H8 ta thu c 0,38 mol hn hp X gm CH4, C2H4, C3H6, H2v C3H8dcha bnhit phn. Tkhi ca hn hp X so vi H2l ?A.11,0. B. 11,6. C.22,0. D.23,2.

V d10.Crackinh V lt butan thu c 35 lt hn hp X gm H2, CH4, C2H6, C2H4, C3H6, C4H8v mt phnbutan cha bcrackinh. Cho hn hp X li rt ttqua bnh ng nc brom d, thy thtch cn li 20 lt. %butan phn ng l ?A.25% B.60% C.75% D.85%.

V d11.Crackinh 560 lt butan, xy ra ng thi cc phn ng:

Sau phn ng thu c 896 lt hn hp kh X. Thtch C4H10c trong hn hp X l (cc thtch kh o cngiu kin)A. 336 lt. B. 168 lt. C. 280 lt. D. 224 lt.

V d12.

(C12) Nung mt lng butan trong bnh kn (c xc tc thch hp) thu c hn hp kh X gmankan v anken. Tkhi ca X so vi kh hiro l 21,75. Phn trm thtch ca butan trong X lA. 33,33% B. 50,00% C.66,67% D.25,00%



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V d1. Cho dy cc hirocacbon: xiclopropan (1); xiclobutan (2); propen (3); butaien (4); xilen (5); stiren

(6); butin (7). Scht c phn ng vi H2(Ni, to) v scht c thlm mt mu dung dch brom ln lt l:

A.5; 4. B.5; 5. C.7; 5. D.7; 7.

V d2. (C11) Cho cc cht: axetilen, vinylaxetilen, cumen, stiren, xiclohexan, xiclopropan v xiclopentan.

Trong cc cht trn, scht phn ng c vi dung dch brom l:A.4. B.3. C.5. D.6.

V d3. (B11) Sng phn cu to ca C5H10phn ng c vi dung dch brom l:

A. 8. B.9. C.5. D.7.

V d4. (A12) Hiro ha hon ton hirocacbon mch hX thu c isopentan. Scng thc cu to c th

c ca X l

A.6. B.5. C.7. D.4.

V d5. (A7) Hirat ha 2 anken chto thnh 2 ancol. Hai anken l

A. 2-metylpropen v but-1-en. B. propen v but-2-en.

C. eten v but-2-en. D. eten v but-1-en.

V d6. (A10) Anken X hp nc to thnh 3-etylpentan-3-ol. Tn ca X l

A. 3-etylpent-3-en. B. 2-etylpent-2-en. C. 3-etylpent-2-en. D. 3-etylpent-1-en.

V d7.

(A11) Cho buta-1,3-ien phn ng cng vi Br2theo tlmol 1:1. Sdn xut ibrom (ng phn

cu to v ng phn hnh hc) thu c l:

A. 1. B. 3. C. 2. D. 4.

V d8. (B9) Cho hirocacbon X phn ng vi brom (trong dung dch) theo tlmol 1 : 1, thu c cht hu

cY (cha 74,08% Br vkhi lng). Khi X phn ng vi HBr th thu c hai sn phm huckhc nhau.

Tn gi ca X l

A. but-1-en. B. xiclopropan. C. but-2-en. D. propilen.


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V d9. (C10) Cho 3,12 gam ankin X phn ng vi 0,1 mol H2(xc tc Pd/PbCO3, to), thu c hn hp Y

chc hai hirocacbon. Cng thc phn tca X l

A. C2H2. B. C5H8. C. C4H6. D. C3H4.

V d10.(A12) Hn hp X gm H2v C2H4c tkhi so vi H2l 7,5. Dn X qua Ni nung nng, thu c hn

hp Y c tkhi so vi H2l 12,5. Hiu sut ca phn ng hiro ha l

A. 70% B.60% C.50% D.80%

V d11.(B9)Hn hp kh X gm H2 v mt anken c khnng cng HBr cho sn phm hu cduy nht.T

khi ca X so vi H2bng 9,1. un nng X c xc tc Ni, sau khi phn ng xy ra hon ton, thuc hn hp

kh Y khng lm mt mu nc brom; tkhi ca Y so vi H2bng 13. Cng thc cuto ca anken l

A. CH2=C(CH3)2. B. CH2=CH2.

C. CH2=CH-CH2-CH3. D. CH3-CH=CH-CH3.V d12.(A7) Cho 4,48 lt hn hp X (ktc) gm 2 hirocacbon mch hli ttqua bnh cha 1,4 lt dung

dch Br20,5M. Sau khi phn ng hon ton, smol Br2gim i mt na v khi lng bnh tng thm 6,7 gam.

Cng thc phn tca 2 hirocacbon l

A. C2H2v C4H6. B. C2H2v C4H8. C. C3H4v C4H8. D. C2H2v C3H8.

V d13.(A10) un nng hn hp kh X gm 0,02 mol C2H2v 0,03 mol H2trong mt bnh kn (xc tc Ni),

thu c hn hp kh Y. Cho Y li ttvo bnh nc brom (d), sau khi kt thc cc phn ng, khi lng

bnh tng m gam v c 280 ml hn hp kh Z (ktc) thot ra. Tkhi ca Z so vi H2l 10,08. Gi trca m l

A. 0,585. B. 0,620. C. 0,205. D. 0,328.

V d14.

(B12) Hn hp X gm 0,15 mol vinylaxetilen v 0,6 mol H2. Nung nng hn hp X (xc tc Ni) mt

thi gian, thu c hn hp Y c tkhi so vi H2bng 10. Dn hn hp Y qua dung dch Brom d, sau khi

phn ng xy ra hon ton, khi lng brom tham gia phn ng l

A.0 gam B.24 gam C.8 gam D.16 gam.

V d15.

(B11) Cho butan qua xc tc (nhit cao) thu c hn hp X gm C4H10, C4H8, C4H6, H2. T

khi ca X so vi butan l 0,4. Nu cho 0,6 mol X vo dung dch brom (d) th smol brom ti a phn ng l

A.0,48 mol. B.0,36 mol. C.0,60 mol. D.0,24 mol.




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V d1. t chy hon tonm gam hn hp X (gm metan, etilen, axetilen, buta-1,3-ien v benzen) thu

c hn hp sn phm Y. Dn ttY qua dung dch H2SO4c d, thy khi lng dung dch tng 10,8 gam.

Mt khc, khi dn ttY qua dung dch nc vi trong d, thy khi lng dung dch gim 56,4 gam. Gi tr

ca m l

A. 13,6. B. 14,6. C. 15,6. D. 16,6.

V d2. (C7) t chy hon ton mt th tch kh thin nhin gm metan, etan, propan bng oxi khng kh

(trongkhng kh, oxi chim 20% thtch), thu c 7,84 lt kh CO2(ktc) v 9,9 gam nc. Thtch khng

kh(ktc) nhnht cn dng t chy hon ton lng kh thin nhin trn lA. 56,0 lt. B. 70,0 lt. C. 78,4 lt. D. 84,0 lt.

V d3. (A12) t chy hon ton 4,64 gam mt hirocacbon X (cht kh iu kin thng) ri em ton b

sn phm chy hp thht vo bnh ng dung dch Ba(OH)2. Sau cc phn ng thu c 39,4 gam kt ta v

khi lng phn dung dch gim bt 19,912 gam. Cng thc phn tca X l

A.C3H4. B.CH4. C.C2H4. D.C4H10.

V d4. (C8) t chy hon ton mt hirocacbon X thu c 0,11 mol CO2v 0,132 mol H2O. Khi X tc

dng vi kh clo (theo tlsmol 1:1) thu c mt sn phm hu cduy nht. Tn gi ca X l

A. 2-metylbutan. B. etan. C. 2,2-imetylpropan. D. 2-metylpropan.

V d5. t chy hon ton 0,15 mol hirocacbon X thu c 16,8 lt kh CO2(ktc) v 13,5 gam H2O. S

ng phn ca X l

A. 9. B. 11. C. 10. D. 12.

V d6. t chy hon ton hn hp X gm 2 hirocacbon mch hthu c 19,712 lt kh CO2(ktc) v 8,1

gam H2O. Hai hirocacbon trong hn hp X thuc dy ng ng

A. ankaien. B. ankin.

C. ankylbenzen. D. ankaien hoc ankin.

V d7.

t chy hon ton 0,1 mol hn hp gm CH4, C2H4v C4H10thu c 0,14 mol CO2v 0,23 mol

H2O. Smol ca ankan v anken trong hn hp ln lt l

A. 0,09 v 0,01. B. 0,08 v 0,02. C. 0,01 v 0,09. D. 0,02 v 0,08.

V d8. (B12) t chy hon ton hn hp X gm hai hirocacbon (tlsmol 1 : 1) c cng thc n gin

nht khc nhau, thu c 2,2 gam CO2v 0,9 gam H2O. Cc cht trong X l

A.mt ankan v mt ankin B.hai ankaien

C.hai anken. D.mt anken v mt ankin.


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V d9. (C10) t chy hon ton 6,72 lt (ktc) hn hp gm hai hirocacbon X v Y(MY> MX), thu c

11,2 lt CO2(ktc) v 10,8 gam H2O. Cng thc ca X l

A. C2H6. B. C2H4. C. CH4. D. C2H2.

V d10.(B8) t chy hon ton 1 lt hn hp kh gm C2H2v hirocacbon X sinh ra 2 lt kh CO2v 2 lt

hi H2O (cc thtch kh v hi o cng iu kin T, P). CTPT ca X l

A. C2H4. B. C3H8. C. C2H6. D. CH4.

V d11.(B10) Hn hp kh X gm mt ankan v mt anken. Tkhi ca X so vi H2bng 11,25. t chy

hon ton 4,48 lt X, thu c 6,72 lt CO2(cc thtch kh o ktc). Cng thc ca ankan v anken ln lt

l

A. CH4v C2H4. B. C2H6v C2H4. C. CH4v C3H6. D. CH4v C4H8.

V d12.(B11) Hn hp kh X gm etilen, metan, propin v vinylaxetilen c tkhi so vi H2l 17. t chy

hon ton 0,05 mol hn hp X ri hp thton bsn phm chy vo bnh dung dch Ca(OH)2(d) th khi

lng bnh tng thm m gam. Gi trca m l:

A.5,85. B.3,39. C.6,6. D.7,3.

V d13.(C8) t chy hon ton 20,0 ml hn hp X gm C3H6, CH4, CO (thtch CO gp hai ln thtch

CH4), thu c 24,0 ml CO2(cc thtch kh o cng iu kin nhit v p sut). Tkhi ca Xso vi kh

hiro l

A. 12,9. B. 25,8. C. 22,2. D. 11,1.

V d14.(C9) khhon ton 200 ml dung dch KMnO40,2M to thnh cht rn mu nu en cn V ltkh

C2H4(ktc). Gi trti thiu ca V l

A. 2,240. B. 2,688. C. 4,480. D. 1,344.V d15.(B11) Cho phn ng:

C6H5-CH=CH2+ KMnO4 C6H5-COOK + K2CO3+ MnO2+ KOH + H2O

Tng hs(nguyn, ti gin) tt ccc cht trong phng trnh ha hc ca phn ng trn l:

A.27. B.31. C.24. D.34.

V d16.

Cn bng phng trnh phn ng:

CH2 -CH=CH2

+ KMnO4 + H2SO4

COOH

+ CO2 + MnSO4 + K2SO4 + H2O

Tng hsca cc cht tham gia trong phng trnh phn ng trn (l cc snguyn nhnht) l

A. 45. B. 46. C. 47. D. 48.




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V d1.

Sng phn ca C4H9Br l:

A. 4. B.2. C.3. D.5.V d2. X l hn hp cc ng phn ca C3H5Cl. Scht ti a c trong X l:A.2 B.3 C.4 D.5V d3. C bao nhin dn xut clo bc I l ng phn ca nhau c cng thc phn tC5H11Cl ?A.3 B.4 C.5 D.6V d4. Cho cc cht sau: C6H5CH2Cl ; CH3CHClCH3; Br2CHCH3; CH2=CHCH2Cl. Tn gi ca cc chttrn ln lt l:A.benzyl clorua ; isopropyl clorua ; 1,1-ibrometan ; anlyl clorua.B.benzyl clorua ; 2-clopropan; 1,2-ibrometan; 1-cloprop-2-en.C.phenyl clorua; isopropylclorua; 1,1-ibrometan; 1-cloprop-2-en.D.benzyl clorua; n-propyl clorua; 1,1-ibrometan; 1-cloprop-2-en.

V d5.

t chy hon ton mt lng cht hu ccha C, H, Cl sinh ra 0,22 gam CO2v 0,09 gam H2O.Khi phn tch nh lng clo ca cng mt lng cht bng dung dch AgNO3, ngi ta thu c 1,435 gamAgCl. CTPT ca hp cht trn l:A.CH2Cl2. B.CH3Cl. C.C2H4Cl4 D.C2H4Cl2V d6.

un mt ancol X vi dung dch hn hp gm KBr v H2SO4c th trong hn hp sn phm thuc c cht hu cY. Hi ca 12,5 gam cht Y ni trn chim 1 thtch ca 2,80 gam nittrong cng iukin. Cng thc cu to ca X lA.C2H5OH. B.C3H6(OH)2. C.C3H7OH. D.C2H4(OH)2.V d7.

un nng 13,875 gam mt ankyl clorua Y vi dung dch NaOH, tch blp hu c, axit ha phncn li bng dung dch HNO3, nhtip dung dch AgNO3n dthy to thnh 21,525 gam kt ta. Cng thcphn tca Y l:

A.C2H5Cl. B.C3H7Cl. C.C4H9Cl. D.C5H11Cl.V d8. Cho cc dn xut halogen sau: C2H5F (1); C2H5Br (2); C2H5I (3); C2H5Cl (4). Thtgim dn nhitsi l:A.(3) > (2) > (4) > (1) B.(1) > (4) > (2) > (3) C.(1) > (2) > (3) > (4) D.(3) > (2) > (1) > (4)V d9. Cho cc cht:

Cl

F

Br

I

(X) (Y) (Z) (T)

Dy sp xp theo chiu tng dn nhit si l:A.X < Y < Z < T. B.X < T < Z < Y. C.Y < X < Z < T. D.Y < Z < T < X.

V d10.

Cho cc cht:

CH3 ClHC

CH3

CH3 Br

HC

CH3

CH3 Cl

CH3 CH2 Cl

(X) (Y) (Z) (T)

Dy sp xp theo chiu tng dn nhit si l:A.X < Y < Z < T. B.T < X < Y < Z. C.X < T < Z < Y. D.Y < X < Z < T.V d11.Cho cc cht: CH2=CHCl (1), CH3CH2Cl (2), CH2=CHCH2Cl (3), CH3CHClCH3(4).Khnng phn ng vi AgNO3/NH3tng dn theo thtA.(1) < (2) < (3) < (4). B.(1) < (2) < (4) < (3). C. (4) < (2) < (3) < (1). D.(1) < (3) < (2) < (4).


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V d12.Nhdung dch AgNO3vo ng nghim cha CH2=CHCH2Cl, lc nh. Hin tng xy ra l:A. Thot ra kh mu vng lc. B.Xut hin kt ta trng.C.Dung dch tch lp. D.Xut hin kt ta vng.V d13.(C10NC) Khnng phn ng thnguyn tclo bng nhm OH ca cc cht c xp theo chiutng dn ttri sang phi l:A. anlyl clorua, phenyl clorua, propyl clorua. B. anlyl clorua, propyl clorua, phenyl clorua.C. phenyl clorua, anlyl clorua, propyl clorua. D. phenyl clorua, propyl clorua, anlyl clorua.

V d14.

(C11) un si hn hp propyl bromua, kali hiroxit v etanol thu c sn phm hu clA.propin. B.propan-2-ol. C.propan. D.propen.V d15.Xt phn ng: o

xt

3 2 3 4 8tCH -CHBr-CH -CH C H HBr +

C cc nhn xt sau vphn ng:(a)Phn ng to ra hn hp 2 anken.(b)Sn phm chnh ca phn ng l CH2=CH-CH2-CH3.(c)Hng chnh ca phn ng tch HBr tun theo quy tc Maccopnhicop.(d)Xc tc ca phn ng l: KOH/C2H5OH.Snhn xt ng l:A.1. B.2. C.3. D.4.

V d16.

Cho cc cht: butyl clorua, anlyl clorua, phenyl clorua, vinyl clorua.

un si cc ch

t v

i dungdch NaOH, sau trung ho NaOH dbng HNO3ri nhvo vi git dung dch AgNO3. Sdung dch

khng to thnh kt ta l:A. 1. B. 2. C. 3. D. 4.V d17.

X l ng phn ng vi CTPT l C6H13Br. Bit khi un nng X vi dung dch kim/etanol th thuc 3 anken (tnh cng phn hnh hc) v cc anken cng nc (xc tc axit) thu c sn phm chnhkhng boxi ha bi CuO. Scht tha mn X l:A. 1. B. 2. C. 3. D. 4.V d18.Hn hp X gm 0,1 mol anlyl clorua; 0,3 mol benzyl bromua; 0,1 mol hexyl clorua; 0,15 mol phenylbromua. un si X vi nc n khi phn ng xy ra hon ton, chit ly phn nc lc, ri cho tc dng vidung dch AgNO3dthu c m gam kt ta. Gi trca m lA. 57,4 B. 14,35 C. 70,75 D. 28,7V d19.

(B9NC) Cho schuyn ho:2 4

o

H SO + HBr + Mg, ete khan

tButan - 2 - ol X (anken) Y Z

c

Trong X, Y, Z l sn phm chnh. Cng thc ca Z lA. (CH3)3C-MgBr. B. CH3-CH2-CH2-CH2-MgBr.C. CH3-CH(MgBr)-CH2-CH3. D. (CH3)2CH-CH2-MgBr.

V d20.(B8) Cho cc phn ng: HBr + C2H5OHot

C2H4+ Br2

C2H4+ HBr C2H6+ Br2askt (1:1mol)

Sphn ng to ra C2H5Br l:A. 1. B. 3. C. 2. D. 4.

V d21.

Khi cho toluen tc dng vi clo (trong iu kin thch hp) thu c cht no sau y khng phi lsn phm chnh ?A.2-clotoluen. B.3-clotoluen. C.4-clotoluen. D.benzyl clorua.V d22.Quy trnh sn xut PVC theo ssau:

Thtch etilen v kh clo (ktc) sn xut 1 tn PVC theo strn (gisH = 100%) l:A.358400 lit ; 358400 lit B.179200 lit ; 358400 lit C.358400 lit ; 179200 lit D.179200 lit ; 358400 lit



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020. ( )

V d1.Cho cc cht: C2H5OH (1); CH2=CH-OH (2); CH3-CH(OH)2(3); HO-CH2-CH2-OH (4); C6H5OH (5);

CH3-O-CH3(6); C6H5-O-CH3(7); CH2=CH-CH2-OH (8). Sancol trong dy trn l:

A. 3. B. 4. C. 5. D. 6.

V d2.Sng phn ancol v tng sng phn ca C4H10O ln lt l:

A. 3; 6. B. 3; 7. C. 4; 6. D. 4; 7.

V d3.Ancol X c cng thc n gin nht l C2H5O. Sng phn ancol ca X l:

A. 5. B. 6. C. 7. D. 8.

V d4.

Sng phn ancol ca C4H8O l:

A. 6. B. 7. C. 8. D. 9.V d5.Sng phn ancol bc II ca C6H14O l:

A. 4. B. 5. C. 6. D. 7.

V d6.

Sng phn ca C5H12O c khnng to lin kt H vi H2O l:

A. 8. B. 10. C. 12. D. 14.

V d7.Chiu gim dn linh ng ca nguyn tH (t tri qua phi) trong nhm OH ca ba hp cht:

C6H5OH (1); C2H5OH (2); H2O (3)l

A. (3) > (1) > (2). B. (1) > (3) > (2). C. (2) > (1) > (3). D. (2) > (3) > (1).

V d8.Trong hn hp etanol v nc, kiu lin kt hiro no l bn nht ?

A.

O H

C2H5

O H

H

...

B.

O H

C2H5

O H

C2H5

...

C.

O H

H

O H

C2H5

...

D.

O H

H

O H

H

...

V d9.Cho cc cht: C4H9OH (1); C3H7OH (2); CH3-O-C2H5(3); CH3-O-CH3(4). Chiu tng dn nhit

si ca cc cht l:

A. (4) < (3) < (2) < (1). B. (4) < (2) < (3) < (1).

C. (3) < (4) < (2) < (1). D. (3) < (4) < (1) < (2).

V d10. Cho cc cht: C4H9OH (1); C3H7OH (2); CH3-O-C2H5(3); CH3-O-CH3(4). Chiu tng dn tan

ca cc cht trong nc l:

A. (4) < (3) < (2) < (1). B. (3) < (4) < (2) < (1).

C. (4) < (3) < (1) < (2). D. (3) < (4) < (1) < (2).




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00. ( )

1. V d1. Este X c CTGN l C2H4O. Sng phn este ca X l:A.2. B.4. C.6. D.8.V d2. CTGN ca este X l C5H8O3. Cng thc phn tca X l:A.C5H8O3. B.C10H16O6. C.C15H24O9. D.C20H32O12.

. V d3. Sng phn este ca C5H10O2l:A.7. B.8. C.9. D.10.

V d4.

Sng phn n chc ca C4H8O2l:A.3. B.4. C.5. D.6.V d5. Sng phn este mch hca C4H6O2l:A.3. B.4. C.5. D.6.V d6. Sng phn este cha vng benzen ca C8H8O2l:A.3. B.4. C.5. D.6.

. V d7. Hp cht hu cmch hX c cng thc phn tC6H10O4. Thuphn X to ra hai ancol n chcc snguyn tcacbon trong phn tgp i nhau. Cng thc ca X l

A. CH3OCO-CH2-COOC2H5. B. C2H5OCO-COOCH3.C. CH3OCO-COOC3H7. D. CH3OCO-CH2-CH2-COOC2H5.(Trch TSH Khi B 2010)

V d8. Thu phn este Z trong mi trng axit thu c hai cht hu c X v Y (MX< MY). Bng mt phnng c th chuyn ho X thnh Y. Cht Z khngth lA. metyl propionat. B. metyl axetat. C. etyl axetat. D. vinyl axetat.

(Trch TSH Khi B 2010)

V d9. Este X l hp cht thm c cng thc phn tl C9H10O2. Cho X tc dng vi dung dch NaOH, tora hai mui u c phn tkhi ln hn 80. Cng thc cu to thu gn ca X lA.CH3COOCH2C6H5. B.HCOOC6H4C2H5. C.C6H5COOC2H5. D.C2H5COOC6H5.


V d10.

Cho sphn ng:Este X (C4HnO2) o

+NaOH

t Y 3 3o

+AgNO /NH

t Z o

+NaOH

t C2H3O2Na.

Cng thc cu to ca X tha mn s cho lA.CH2=CHCOOCH3. B.CH3COOCH2CH3. C.HCOOCH2CH2CH3. D.CH3COOCH=CH2.

(Trch TSC 2012)



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V d1.

Trong tt ccc ng phn ca C5H12O, scht tc dng c vi Na l

A. 6. B. 7. C. 8. D. 9.

V d2.

(C11) Shp cht ng phn cu to ca nhau c cng thc phn tC8H10O, trong phn tc vng

benzen, tc dng c vi Na, khngtc dng c vi NaOH l

A.4. B.6. C.7. D.5.

V d3.Cho cc cht: C2H5OH (1); H2O (2); C6H5OH (phenol) (3). Dy sp xp cc cht theo chiu tng dn

khnng phn ng vi Na l

A. (2)< (3)


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V d10. Cho 12,8 gam dung dch ancol X (trong nc) c nng 71,875% tc dng vi lng Na d thu

c 5,6 lt kh (ktc). Cng thc ca ancol X l

A.CH3OH. B.C2H4 (OH)2. C.C3H5(OH)3. D.C4H7OH.

V d11. (B8) Cho cc phn ng:

HBr + C2H5OHot

C2H4+ Br2

C2H4+ HBr C2H6+ Br2askt (1:1mol)

Sphn ng to ra C2H5Br l:

A. 1. B. 3. C. 2. D. 4.

V d12. Mt ancol n chc X mch htc dng vi HBr c dn xut Y cha 58,4% brom vkhi lng.

un X vi H2SO4c 170oC c 3 anken. Tn X l

A. pentan-2-ol. B. butan-1-ol. C. butan-2-ol. D. 2-metylpropan-2-ol.

V d13.

un nng ancol no mch hX vi hn hp KBr v H2SO4c (ly d) thu c cht hu cY

(cha C, H, Br). Bit 12,3 gam Y c thtch bng thtch ca 2,8 gam N2cng iu kin. X c cng thc cu

to l

A. CH3OH. B. C2H5OH. C. CH3CH(OH)CH3. D. CH2=CHCH2OH.

V d14. un nng ancol no, n chc X vi hn hp KBr v H2SO4c, thu c cht hu cY (cha C, H,

Br), trong Br chim 73,39% vkhi lng. Cng thc phn tca X l

A. C3H7OH. B. C3H5OH. C. CH3OH. D. C2H5OH.

V d15. un mt ancol X vi dung dch hn hp gm KBr v H2SO4c th trong hn hp sn phm thu

c c cht hu cY. Hi ca 13,9 gam cht Y ni trn chim thtch bng thtch ca 2,80 gam nittrong

cng iu kin. Cng thc cu to ca X l

A.C2H5OH. B.C3H6(OH)2. C.C3H7OH. D.C2H4(OH)2.




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V d1.Hn hp Z gm hai este X v Y to bi cng mt ancol v hai axit cacboxylic k tip nhau trong dyng ng (MX< MY). t chy hon ton m gam Z cn dng 6,16 lt kh O2(ktc),thu c 5,6 lt kh CO2(ktc) v 4,5 gam H2O. Cng thc este X v gi tr ca m tng ng lA. CH3COOCH3v 6,7. B. HCOOC2H5v 9,5. C. HCOOCH3v 6,7. D. (HCOO)2C2H4v 6,6.

(Trch TSC 2010)

V d2.Hn hp X gm: CH3COOC2H5, HCOOC3H5, HCOOC3H32X/O

(d = 2,7). t chy hon ton 0,015

mol X, tng khi lng CO2v H2O thu c lA.3,450 gam. B.3,720 gam. C.3,180 gam. D.3,504 gam.

V d3.

t chy hon ton 6,6 gam hn hp X gm HCOOC3H7, C2H5COOCH3ri hp thhon ton snphm chy vo m1gam dung dch Ba(OH)2d. Sau phn ng thu c m gam kt ta. Lc, tch kt ta thuc m2gam dung dch nc lc. Gi trm1 m2lA.45,90. B.53,70. C.54,45. D.40,50.V d4.

Hn hp X gm 1 este n chc, khng no c mt ni i (C=C) mch hv 1 este no, n chcmch h. t chy hon ton 0,15 mol X ri cho ton bsn phm chy hp thhon ton vo bnh ng dungdch Ca(OH)2d. Sau phn ng thy khi lng bnh tng 23,9 gam v c 40 gam kt ta. CTPT ca 2 este lA.C2H4O2, C3H4O2. B.C2H4O2,C4H6O2. C.C2H4O2,C5H8O2. D.C3H6O2, C5H8O2.V d5.t chy hon ton m gam este X cn 5,6 lt O2(ktc) thu c 12,4 gam hn hp Y gm kh CO2v

hi nc (2Y/H

d =15,5 ). Mt khc cho X qua LiAlH4, tothu c mt cht hu cduy nht. X l

A.metyl propionat. B.propyl propionat C.etyl axetat. D.metyl fomat.V d6.

Hn hp X gm vinyl axetat, metyl axetat v etyl fomat. t chy hon ton 3,08 gam X, thu c2,16 gam H2O. Phn trm smol ca vinyl axetat trong X l:A.25%. B.27,92%. C.72,08%. D.75%.


V d7.t chy hon ton 3,42 gam hn hp gm axit acrylic, vinyl axetat, metyl acrylat v axit oleic, rihp thton bsn phm chy vo dung dch Ca(OH)2(d). Sau phn ng thu c 18 gam kt ta v dungdch X. Khi lng X so vi khi lng dung dch Ca(OH)2ban u thay i nhthno?A. Tng 2,70 gam. B. Gim 7,74 gam. C. Tng 7,92 gam. D. Gim 7,38 gam.

(Trch TSH Khi A 2011)

V d8.

Este X no, n chc, mch h, khng c phn ng trng bc. t chy 0,1 mol X ri cho sn phmchy hp thhon ton vo dung dch nc vi trong c cha 0,22 mol Ca(OH)2th vn thu c kt ta. Thuphn X bng dung dch NaOH thu c 2 cht hu cc snguyn tcacbon trong phn tbng nhau. Phntrm khi lng ca oxi trong X l:A.43,24% B.53,33% C.37,21% D.36,36%

(Trch TSC 2011)



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022.

( )

V d1. (A8) Khi tch nc tancol 3-metylbutan-2-ol, sn phm chnh thu c l

A. 2-metylbut-3-en. B. 2-metylbut-2-en. C. 3-metylbut-2-en. D. 3-metylbut-1-en.

V d2.

(A7) Khi tch nc tmt cht X c cng thc phn tC4H10O to thnh ba anken l ng phnca

nhau (tnh cng phn hnh hc). Cng thc cu to thu gn ca X l

A. (CH3)3COH. B. CH3OCH2CH2CH3. C. CH3CH(OH)CH2CH3. D. CH3CH(CH3)CH2OH.

V d3.

(B7) Cc ng phn ng vi cng thc phn tC8H10O (u l dn xut ca benzen) c tnh cht: tchnc thu c sn phm c thtrng hp to polime, khng tc dng c vi NaOH. Slng ng phn ng

vi cng thc phn tC8H10O, thomn tnh cht trn l

A. 2. B. 4. C. 1. D. 3.

V d4. (A12) Trong ancol X, oxi chim 26,667% vkhi lng. un nng X vi H2SO4c thu c anken

Y. Phn tkhi ca Y l

A.56. B.70. C.28. D.42.

V d5.

(A10NC) Tch nc hn hp gm ancol etylic v ancol Y chto ra 2 anken. t chy cng smol

mi ancol th lng nc sinh ra tancol ny bng 5/3 ln lng nc sinh ra tancol kia. Ancol Y l

A. CH3-CH2-CH(OH)-CH3. B. CH3-CH2-CH2-OH.

C. CH3-CH2-CH2-CH2-OH. D. CH3-CH(OH)-CH3.

V d6.Trong tt ccc ancol c snguyn tC 4, sancol khi tch H2O chto thnh 1 anken duy nht l:

A.5. B.6. C.7. D.8.

V d7. (C8) Khi un nng hn hp ancol gm CH3OH v C2H5OH(xc tc H2SO4c 140oC)th sete thu

c ti a l

A. 4. B. 2. C. 1. D. 3.

V d8. (B8) un nng hn hp gm hai ancol n chc, mch h, k tip nhau trong dy ngng vi

H2SO4c 140oC. Sau khi cc phn ng kt thc, thu c 6 gam hn hp gm ba ete v1,8 gam nc. Cng

thc phn tca hai ancol trn l

A. C3H5OH v C4H7OH. B. CH3OH v C2H5OH. C. C2H5OH v C3H7OH. D. C3H7OH v C4H9OH.


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V d9. (C11) t chy hon ton mt lng hn hp X gm 3 ancol thuc cng dy ng ng thu c 6,72

lt kh CO2 (ktc) v 9,90 gam H2O. Nu un nng cng lng hn hp X nhtrn vi H2SO4c nhit

thch hp chuyn ht thnh ete th tng khi lng ete thu c l:

A.6,45 gam B.5,46 gam C.7,40 gam D.4,20 gam

V d10.

(A9) un nng hn hp hai ancol n chc, mch hvi H2SO4c, thu c hn hp gm ccete.Ly 7,2 gam mt trong cc ete em t chy hon ton, thu c 8,96 lt kh CO2(ktc) v7,2 gam H2O.

Hai ancol l

A. C2H5OH v CH2=CH-CH2-OH. B. C2H5OH v CH3OH.

C. CH3OH v C3H7OH. D. CH3OH v CH2=CH-CH2-OH.

V d11. un nng mt ancol n chc X vi dung dch H2SO4c trong iu kin nhit thch hp sinh ra

cht hu cY, tkhi hi ca Y so vi X l 1,4375. Cng thc phn tca X l

A. C4H8O. B. C3H8O. C. CH4O. D. C2H6O.


cht hu cY, tkhi hi ca Y so vi X l 0,7568. Cng thc phn tca X l



cht hu cY, tkhi hi ca X so vi Y l 0,5918. Cng thc phn tca X l

A. C4H8O. B. C3H6O. C. C3H8O. D. C2H6O.

V d14.

(B8) un nng mt ancol n chc X vi dung dch H2SO4c trong iu kin nhit thch hp

sinh ra cht hu cY, tkhi hi ca X so vi Y l 1,6428. Cng thc phn tca X l


V d15.

(B11) Chia hn hp gm hai ancol n chc X v Y (phn tkhi ca X nhhn ca Y) l ng

ng ktip thnh hai phn bng nhau:

- t chy hon ton phn 1 thu c 5,6 lt CO2(ktc) v 6,3 gam H2O.

- un nng phn 2 vi H2SO4c 140oC to thnh 1,25 gam hn hp ba ete. Ha hi hon ton hn hp ba

ete trn, thu c thtch ca 0,42 gam N2(trong cng iu kin nhit , p sut).

Hiu sut ca phn ng to ete ca X, Y ln lt l:

A.30% v 30%. B.25% v 35%. C. 40% v 20%. D.20% v 40%.




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V d1.Ha hi hon ton 4,4 gam mt este X mch h, thu c thtch hi bng thtch ca 1,6 gam khoxi (o cng iu kin). Mt khc, thy phn hon ton 11 gam X bng dung dch NaOH d, thu c 10,25gam mui. Cng thc ca X lA.C2H5COOCH3. B.CH3COOC2H5. C. C2H5COOC2H5. D.HCOOC3H7.

(Trch TSC 2012)

V d2.X phng ho hon ton 1,99 gam hn hp hai este bng dung dch NaOH thu c 2,05 gam muica mt axit cacboxylic v 0,94 gam hn hp hai ancol l ng ng ktip nhau. Cng thc cahai este lA. CH3COOCH3 v CH3COOC2H5. B. C2H5COOCH3v C2H5COOC2H5.C. CH3COOC2H5v CH3COOC3H7. D. HCOOCH3v HCOOC2H5.

(Trch TSH Khi A 2009

)V d3.Cho 20 gam mt este X (c phn tkhi l 100 vC) tc dng vi 300 ml dung dch NaOH1M. Sauphn ng, c cn dung dch thu c 23,2 gam cht rn khan. Cng thc cu to ca X lA. CH2=CHCH2COOCH3. B. CH3COOCH=CHCH3. C. C2H5COOCH=CH2. D. CH2=CHCOOC2H5.

(Trch TSC 2009)

V d4.t chy hon ton m gam hn hp X gm hai este ng phn cn dng 27,44 lt kh O2, thu c23,52 lt kh CO2v 18,9 gam H2O. Nu cho m gam X tc dng ht vi 400 ml dung dch NaOH 1M, c cndung dch sau phn ng th thu c 27,9 gam cht rn khan, trong c a mol mui Y v b mol mui Z(MY< MZ). Cc thtch kh u o iu kin tiu chun. Tla : b lA.2 : 3. B.4 : 3. C.3 : 2. D.3 : 5.


V d5.

t chy hon ton mt este n chc, mch hX (phn tc slin kt nhhn 3), thu c thtch kh CO2bng 6/7 thtch kh O2 phn ng (cc thtch kh o cng iu kin). Cho m gam X tc dnghon ton vi 200 ml dung dch KOH 0,7M thu c dung dch Y. C cn Y thu c 12,88 gam cht rn khan.Gi trca m lA. 10,56. B. 7,20. C. 8,88. D. 6,66.


V d6.

Hp cht hu cno, a chc X c cng thc phn tC7H12O4. Cho 0,1 mol X tc dng vavi100 gam dung dch NaOH 8% thu c cht hu cY v 17,8 gam hn hp mui. Cng thccu to thu gnca X lA. CH3OOC-(CH2)2-COOC2H5. B. CH3OOC-CH2-COO-C3H7.

C. CH3COO-(CH2)2-OOCC2H5. D. CH3COO-(CH2)2-COOC2H5.(Trch TSH Khi B 2008)V d7.Thuphn hon ton 0,2 mol mt este E cn dng va 100 gam dung dch NaOH 24%, thu cmt ancol v 43,6 gam hn hp mui ca hai axit cacboxylic n chc. Hai axit lA. HCOOH v C2H5COOH. B. HCOOH v CH3COOH.C. C2H5COOH v C3H7COOH. D. CH3COOH v C2H5COOH.




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