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TRNG I HC KHTN TPHCM THI TH THPT QUC GIA 2015 Ln 1

MN HA HC( thi gm 50 cu, 5 trang)Thi gian lm bi: 90 pht, khng k thi gian pht

M thi 314Cho bit nguyn t khi ca cc nguyn t:

H = 1; C = 12; N = 14; O = 16; Na = 23; Mg = 24; Al= 27; P = 31; S = 32; Cl= 35,5; K = 39; Fe = 56; Cu = 64; Ag = 108; Ba = 137.

Cu 1: Cho dy cc cht: Al2(SO4)3, KHCO3, ZnCl2, K2Cr2O7, FeCl2, KAlO2, CrCl2, Ca(H2PO4)2. S cht tc dng vi dung dch Ba(OH)2 d to thnh kt ta sau khi phn ng xy ra hon ton lA. 8.B. 5.C. 6.D. 7.

Cu 2: Nung nng m gam hn hp gm Al v Fe3O4 trong iu kin khng c khng kh. Sau khi phn ng xy ra hon ton, thu c hn hp rn X. Cho X tc dng vi dung dch NaOH (d) thu c dung dch Y, cht rn Z v 3,36 lt kh H2 ( ktc). Sc kh CO2 (d) vo dung dch Y, thu c 39 gam kt ta. Gi tr ca m l

A. 42,9.B. 57,0.C. 45,6.D. 48,3.Cu 3: Nu tm tn (st trng km) b n mn in ha th trong qu trnh n mn

A. st ng vai tr catot v b kh.B. st ng vai tr anot v b oxi ha.C. km ng vai tr anot v b oxi ha.D. km ng vai tr catot v b oxi ha.

Cu 4: t chy hon ton m gam mt ancol a chc X thu c 0,3 mol CO2 v 0,4 mol H2O. X khng c kh nng tc dng vi Cu(OH)2 to ra dung dch mu xanh lam. Cho m gam X tc dng vi Na (d) thu cV lt khH2 (ktc). Gi tr ca V l

A.4,48B.3,36.C. 1,12.D. 2,24.

Cu 5: Cho 3 cht: CH3NH2 (A); NH3 (B) v C6H5NH2 (anilin; C). Th t tng dn lc baz ca 3 cht trn theo chiu t tri sang phi lA. (A); (B); (C).B. (B); (A); (C).C. (C); (B); (A).D. (C); (A); (B).

Cu 6: Cho cc cht sau: HO-C6H4-CH2-OH; H2N-CH2-COOCH3; H2N-(CH2)4-CH(NH2)-COOH; CH3COOCH3NH3; HO-C6H4-CH2-NH2 (-C6H4- gc ha tr 2 ca benzen). S cht lng tnh lA. 2.B. 4.C. 3.D. 5.

Cu 7: un nng hn hp gm Glyxin v Alanin thu c tripeptit mch h, trong t l gc ca Glyxin

v Alanin l 21. S tripeptit ph hp c to ra l

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

Cu 8: phn bit 3 cht hu c mt nhn l: CH3COOH; NH2CH2COOH v C2H5NH2 ta ch cn dng A. dung dch HCl. B. dung dch HNO3. C. dung dch NaOH. D. dung dch qu tm.

Cu 9: Cho 5,12 gam Cu vo 200 ml dung dch X gm HNO3 0,2M v H2SO4 0,3M, thu c V lt NO (sn phm kh duy nht, o ktc) v dung dch Y. C cn dung dch Y thu c m gam mui khan. Gi tri caV v m ln lt l

A. 0,896 v 10,88.B. 0,224 v 4,16.C. 0,224 v 2,88.D. 0,896 v 9,6.

Cu 10: Hn hp Y gm metan, etilen v propin c t khi so vi hiro l 13,2. t chy hon ton 0,15 mol hn hp Y ri dn sn phm chy vo dung dch NaOH d th khi lng bnh tng thm m gam. Gi tr ca m l

A. 16,88.B. 17,56.C. 17,72.D. 18,64.

Cu 11: Cho 4,48 gam hn hp gm etyl axetat v phenyl axetat (c t l mol 11) tc dng vi 800 ml dung dch NaOH 0,1M thu c dung dch X. C cn dung dch X th khi lng cht rn thu c l

A. 4,88 gam.B. 6,40 gam.C. 3,28 gam.D. 5,60 gam.

Cu 12: Chia m gam hn hp X gm Na2O v Al2O3 thnh 2 phn bng nhau:Phn 1: Cho vo lng nc d thu c 1,02 gam cht rn khng tan.

Phn 2: ha tan ht trong dung dch HCl 1M th cn va 140 ml dung dch HCl. Gi tr ca m l

A. 2,66 gam.B. 7,0 gam.C. 3,5 gam.D. 5,32 gam.Cu 13: Dng c di y c dng iu ch v nghin cu phn ng ca SO2 vi dung dch baz:

Cc cht A, B, C v D ln lt l:

A. Na2SO3, H2SO4, SO2, Ca(OH)2.B. HCl, Na2CO3, CO2, Ca(OH)2.C. HCl, Na2SO3, SO2, Ca(OH)2.D. HCl, FeS, SO2, Ca(OH)2.Cu 14: Kim loi to c c oxit baz; oxit axit v oxit lng tnh l

A. Crm.B. Km.C. ng.D. Nhm.

Cu 15: Cht hu c Y cha C, H, O c kh nng tc dng vi Na gii phng H2, tham gia phn ng trng gng v ha tan Cu(OH)2 thnh dung dch mu xanh. Khi t chy 0,1 mol Y thu c khng qu 0,2 mol sn phm. Cng thc phn t ca Y lA. C2H4O2.B. CH2O3.C. CH2O2.D. CH2O.Cu 16: Cu(OH)2 khng tan c trong

A. lng trng trng.B. ancol etylic.C. axit axetic.D. glixerol.

Cu 17: Khi sc t t n d kh CO2 vo mt cc ng dung dch Ca(OH)2, kt qu th nghim c biu din trn th sau:

S mol CaCO3

0,31,0S mol

Da vo th trn, khi lng CO2 sc vo dung dch l 0,85 mol th lng kt ta xut hin tng ng lA. 0,85 mol.B. 0,45 mol.C. 0,50 mol.D. 0,35 mol.Cu 18: Nguyn t X c Z = 26, cu hnh electron ca ion X2+ l

A. [Ar] 3d6.B. [Ar] 3d5 4s1.C. [Ar] 3d8 4s2.D. [Ar] 3d4 4s2.

Cu 19: Thy phn este E (mi trng axit) c hn hp ch gm axit cacboxylic a chc, mch h X v anehit n chc no mch h Y. t chy hon ton X c n CO2 - n H 2 O = nX . Este E c cng thc chung lA. CnH2n - 4O4.B. CnH2n - 6O4.C. CnH2n - 2O4.D. CnH2n - 4O6.

Cu 20: Cho m gam Mg vo 200 ml dung dch A cha FeCl3 0,2M v CuSO4 0,2M. Sau khi cc phn ng xy ra hon ton thu c 3,68 gam cht rn. Gi tr ca m l

A. 3,96.B. 3,84.C. 1,98.D. 1,92.

Cu 21: Cht X c c im sau: phn t c nhiu nhm OH, c v ngt, ha tan Cu(OH)2 nhit thng, phn t c lin kt glicozit, lm mt mu nc brom. Cht X lA. saccaroz.B. mantoz.C. xenluloz.D. glucoz.

Cu 22: Ha tan hon ton x mol CuFeS2 bng dung dch HNO3 c nng (d) sinh ra y mol NO2 (sn phm kh duy nht). Mi quan h gia x v y lA. x = 17y.B. y =15x.C. x = 15y.D. y =17x.

Cu 23: Thy phn m gam hexapeptit mch h Gly-Ala-Gly-Ala-Gly-Ala thu c 153,3 gam hn hp X gm Ala; Ala-Gly; Gly-Ala v Gly-Ala-Gly. t chy hon ton X cn va 6,3 mol O2 . Gi tr m gn vi gi tr no nht di y?A. 143,70.B. 130,88C. 160,82.D. 138,20.

Cu 24: Ha tan m gam kim loi M trong dung dch HCl (d) thu c 2,46 gam mui. Mt khc, khi cho mgam kim loi M tc dng vi Cl2 (d) thu c 3,17 gam mui. Kim loi M lA. Al.B. Cu.C. Cr.D. Fe.

Cu 25: Cho cc cht: etylamin, phenylamin, amoniac, alanin, lysin, p-crezol. S cht lm i mu qu m l

A. 6.B. 3.C. 4.

D. 5.

Cu 26: Cho cc cht:

(1) CH2=CHCH=CH2;(2) CH3-CH2-CH=C(CH3)2;(3) CH3-CH=CH-CH=CH2;

(4) CH3-CH=CH2;(5) CH3-CH=CH-CH3;(6) CH3-CH=CH-COOH.

S cht c ng phn hnh hc l

A. 2.B. 4.C. 1.

D. 3.

Cu 27: Trong dung dch, cp cht no khng phn ng vi nhau?

A. NaHSO4 v KHCO3.B. Fe(NO3)2 v NaHSO4. C. NaHCO3 v CaCl2.D. MgCl2 v K2CO3.

Cu 28: lm kh kh X b m, ngi ta dn kh X b m qua bnh ng H2SO4 c, nng. Kh X l

A. Cl2.B. NH3.C. HI.

D. H2S.

Cu 29: Trong qu trnh sn xut gang, xy ra phn ng:

2Fe (rn) +3CO2 (kh) DH > 0

Fe2O3 (rn) + 3CO (kh)

tng hiu sut qu trnh chuyn ha Fe2O3 thnh Fe, c th dng bin php

A. tng p sut chung ca h.B. nghin nh qung Fe2O3.

C. tng nhit phn ng. D. nn kh CO2 vo l.

Cu 30: Trong phn t amiloz cc mc xch glucoz lin kt vi nhau bng cc lin kt no sau y?

A. b-1,4-glicozit.B. b-1,6-glicozit.C. a-1,4-glicozit.D. a-1,6-glicozit.

Cu 31: Thy phn 5,13 gam mantoz vi hiu sut H% thu c dung dch X. Cho dung dch X tc dng vilng d dung dch AgNO3 trong NH3 thu c 4,374 gam Ag. Gi tr ca H l

A. 65,7.B. 30.C. 67,5.D. 35.

Cu 32: Nhng mt l kim loi M vo dung dch Fe(NO3)3. Sau mt thi gian ly l kim loi M ra cn thy khi lng khng i. Kim loi M l

A. Mg.B. Fe.C. Zn.D. Cu.

Cu 33: Khi cho dung dch cha a mol NaOH hoc dung dch cha 3a mol NaOH vo dung dch cha b molAlCl3 u thu c c mol kt ta. Mi quan h gia a, b, c lA. a = 0,2b + 2,5c.B. a = 1,25b + c.C. a = b + c.D. a = 0,75b c.

Cu 34: Hai nguyn t X v Y thuc hai lin tip nhau trong bng phn loi tun hon (ZX < ZY). Tng s ht mang in ca c hai nguyn t X v Y l 66. Trong cc pht biu sau y:

Hai nguyn t X v Y u l phi kim v u nm cc nhm A trong bng phn loi tun hon. X v Y u to c oxit cao nht v hp cht kh vi hiro. Tnh phi kim, m in v nng lng ion ha (I1) ca Y u ln hn X. Oxit cao nht v hiroxit tng ng ca Y c tnh axit mnh hn so vi X. iu kin thng, trng thi n cht u c cng thc phn t l X2, Y2.

S pht biu ng l

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

Cu 35: Cho m gam hn hp hi X gm hai ancol n chc, k tip nhau trong dy ng ng tc dng vi CuO (d) nung nng, thu c mt hn hp rn Z v mt hn hp hi Y (c t khi hi so vi hiro l 14,5). Cho ton b Y phn ng vi mt lng d dung dch AgNO3 trong dung dch NH 3 un nng, thu c 97,2 gam Ag. Gi tr ca m l

A. 14,0.B. 10,1.C. 18,9.D. 14,7.

Cu 36: X c cng thc phn t C5H10. T X c s sau: X ru A bc 2 Y ru B bc 3. Vi A, Y, B l cc sn phm chnh. Vy cng thc cu to ca X lA. CH3-CH=CH-CH2-CH3.B. CH3-CH(CH3)-CH=CH2.C. CH3-CH2-CH2-CH=CH2.D. CH3-C(CH3)=CH-CH3.

Cu 37: Dung dch lm phenolphtalein ha hng lA. Na2CO3.B. HCl.C. BaCl2.D. ZnSO4.

Cu 38: Ha tan hon ton 2,9 gam hn hp gm kim loi M v oxit ca n vo nc thu c 500 ml dung dchcha mt cht tan c nng 0,04M v 0,224 lt kh H2 (ktc). Kim loi M lA. Ba.B. Ca.C. K.D. Na.

Cu 39: Ha tan ht 11,6 gam FeCO3 bng dung dch HNO3 va , thu c hn hp kh (CO2, NO) v dung dch X. Thm dung dch HCl d vo dung dch X thu c dung dch Y. Hy cho bit dung dch Y c th ha tan+5ti a bao nhiu gam bt Cu? Bit rng sn phm kh duy nht ca N l kh NO.A. 16,0 gam.B. 32,0 gam.C. 48,0 gam.D. 28,8 gam.

Cu 40: Ha tan hon ton 7,68 gam hn hp gm FeO, Fe2O3, Fe3O4 cn va 260 ml dung dch HCl 1M. Dung dch thu c cho tc dng vi dung dch KOH d ri lc ly kt ta em nung trong khng kh n khi lng khng i thu c m gam cht rn. Gi tr ca m l

A. 8,0.B. 16,0.C. 5,0.D. 10,1.

Cu 41: Khi thy phn hon ton mt este X (ch cha mt loi nhm chc) thu c 0,92 gam glixerol; 3,02 gam natri linoleat v m gam natri oleat. Gi tr ca m l

A. 6,08.B. 4,56.C. 9,12.D. 3,04.

Cu 42: Peptit A c phn t khi l 245 v cha 17,14% nit v khi lng. Khi thy phn khng hon ton A, trong hn hp sn phm thu c c hai ipeptit B v C. Phn t khi tng ng ca B v C l 174 v 188. PeptitA l

A. Ala-Gly-Val-Gly.B. Ala-Val-Gly.C. Gly-Ala-Val-Ala.D. Val-Gly-Ala.

Cu 43: Mt hirocacbon A khi lng phn t bng 92 vC. Cho 1,84 gam A tc dng ht vi lng d dungdch AgNO3/NH3 thu c 6,12 gam kt ta. S cng thc cu to ca A l

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

Cu 44: Hin tng no sau y c m t khng chnh xc?Nh vi git anilin vo dung dch HCl thy dung dch b c. Cho kh etylamin tip xc giy qu tm m, thy giy qu ha xanh. Khi cho dng kh metylamin tip xc vi kh hiro clorua thy xut hin khi trng.

Nh vi git nc brom vo ng nghim ng dung dch anilin thy c kt ta trng.

Cu 45: Cho cc pht biu sau:Tt c cc protein u tan trong nc to thnh dung dch keo. Protein c phn ng mu biure vi Cu(OH)2. Lin kt ca nhm CO vi nhm NH gia hai n v a-amino axit c gi l lin kt peptit.

Thy phn hon ton protein n gin thu c cc a-amino axit.

Khi un nng hoc cho dung dch axit, dung dch baz vo dung dch protein th protein s ng t li. S pht biu ng l

A. 2.B. 3.C. 5.D. 4.Cu 46: nhn bit cc kh: CO2, SO2, H2S, N2 cn dng cc dung dch

A. brom v NaOH.B. brom v Ba(OH)2.C. KMnO4 v NaOH.D. NaOH v Ca(OH)2.Cu 47: Hp cht A c cng thc tng qut (CxH4Ox)n thuc loi axit no a chc, mch h. Gi tr ca x v n tng ng l

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

Cu 48: A l hn hp cc mui: Cu(NO3)2, Mg(NO3)2, Fe(NO3)3 trong N chim 16,03% v khi lng. Cho dung dch KOH d vo dung dch cha 65,5 gam A. Lc ly kt ta em nung n khi lng khng i thu c

m gam cht rn. Gi tr ca m l

A. 25.B. 31.C. 34.D. 27.

Cu 49: Trn 3 dung dch H2SO4 0,1M; HNO3 0,2M; HCl 0,3M vi nhng th tch bng nhau thu c dung dch X. Ly 300 ml dung dch X cho phn ng vi V lt dung dch Y gm NaOH 0,2M v KOH 0,29M thu cdung dch Z c pH = 2. Gi tr ca V l

A. 0,424.B. 0,134.C. 0,414.D. 0,214.Cu 50: Cht khng cho c phn ng trng hp l

A. etilen.B. toluen.C. caprolactam.D. stiren.

----- HT -----

P N THI TH I HC MN HA NM 2015 M 314

1. C

2. D

3. C

4. D

5. C

6. C

7. C

8. D

9. D

10. C

11. B

12. D

13. C

14. A

15. C

16. B

17. B

18. A

19. B

20. D

21. B

22. D

23. D

24. C

25. B

26. D

27. C

28. A

29. C

30. C

31. D

32. A

33. A

34. B

35. D

36. B

37. A

38. A

39. B

40. A

41. A

42. B

43. D

44. A

45. D

46. B

47. A

48. A

49. B

50. B