Chuyn : Hidrocabon No (AnKan) hot

Chuyn : Hidrocabon No (AnKan) (b sung)Cu 1: Mt hn hp 2 ankan lin tip trong dy ng ng c t khi hi vi H2 l 24,8.

a. Cng thc phn t ca 2 ankan l:

A. C2H6 v C3H8.B. C4H10 v C5H12.C. C3H8 v C4H10.

D. Kt qu khc

b. Thnh phn phn trm v th tch ca 2 ankan l:

A. 30% v 70%.

B. 35% v 65%.C. 60% v 40%.D. 50% v 50%

Cu 2: iu kin tiu chun c 1 hn hp kh gm 2 hirocacbon no A v B, t khi hi ca hn hp i vi H2 l 12.

a. Khi lng CO2 v hi H2O sinh ra khi t chy 15,68 lt hn hp ( ktc).

A. 24,2 gam v 16,2 gam.

B. 48,4 gam v 32,4 gam.C. 40 gam v 30 gam.

D. Kt qu khc.

b. Cng thc phn t ca A v B l:

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

Cu 3: t chay hoan toan hn hp X gm hai ankan k tip trong day ng ng c 24,2 gam CO2 va 12,6 gam H2O. Cng thc phn t 2 ankan la:

A. CH4 va C2H6.B. C2H6 va C3H8.

C. C3H8 va C4H10.D. C4H10 va C5H12Cu 4: X la hn hp 2 ankan. t chay ht 10,2 gam X cn 25,76 lit O2 (ktc). Hp thu toan b san phm chay vao nc vi trong d c m gam kt tua.

a. Gi tri m l:

A. 30,8 gam.

B. 70 gam.

C. 55 gam.

D. 15 gam

b. Cng thc phn t ca A v B l:

A. CH4 v C4H10.B. C2H6 v C4H10.

C. C3H8 v C4H10.D. C A, B v C.

Cu 5: Hirocacbon X chay cho th tich hi nc gp 1,2 ln th tich CO2 (o cung k). Khi tac dung vi clo tao mt dn xut monoclo duy nht. X co tn la:

A. isobutan.B. propan.

C. etan.D. 2,2- imetylpropan

Cu 6: t chy hon ton hn hp hai hirocacbon ng ng c khi lng phn t hn km nhau 28 vC, ta thu c 4,48 l CO2 (ktc) v 5,4 gam H2O. CTPT ca 2 hirocacbon trn l:

A. C2H4 v C4H8. B. C2H2 v C4H6.C. C3H4 v C5H8.D. CH4 v C3H8

Cu 7: t chy hon ton 2,24 lt hn hp A (ktc) gm CH4, C2H6 v C3H8 thu c V lt kh CO2 (ktc) v 7,2 gam H2O. Gi tr ca V l:

A. 5,60.

B. 6,72.

C. 4,48.

D. 2,24.

Cu 8: t chy hon ton 6,72 lt hn hp A (ktc) gm CH4, C2H6, C3H8, C2H4 v C3H6, thu c 11,2 lt kh CO2 (ktc) v 12,6 gam H2O. Tng th tch ca C2H4 v C3H6 (ktc) trong hn hp A l: A. 5,60.

B. 3,36. C. 4,48.D. 2,24.

Cu 10: t chy hon ton hn hp kh X gm 2 hirocacbon A v B l ng ng k tip thu c 96,8 gam CO2 v 57,6 gam H2O. Cng thc phn t ca A v B l:

A. CH4 v C2H6.B. C2H6 v C3H8.

C. C3H8 v C4H10.D. C4H10 v C5H12

Cu 12: Khi t chy hon ton V lt hn hp kh gm CH4, C2H6, C3H8 (ktc) thu c 44 gam CO2 v 28,8 gam H2O. Gi tr ca V l:A. 8,96.

B. 11,20.

C. 13,44.

D. 15,68.

Cu 13: Khi t chy hon ton 7,84 lt hn hp kh gm CH4, C2H6, C3H8 (ktc) thu c 16,8 lt kh CO2 (ktc) v x gam H2O. Gi tr ca x l:

A. 6,3.

B. 13,5.

C. 18,0.D. 19,8.

Cu 14: Khi t chy hon ton hn hp 2 ankan l ng ng k tip thu c 7,84 lt kh CO2 (ktc) v 9,0 gam H2O. Cng thc phn t ca 2 ankan l:

A. CH4 v C2H6.B. C2H6 v C3H8.

C. C3H8 v C4H10.D. C4H10 v C5H12.

Cu 16: Craking m gam n-butan thu c hp A gm H2, CH4, C2H4, C2H6, C3H6, C4H8 v mt phn butan cha b craking. t chy hon ton A thu c 9 gam H2O v 17,6 gam CO2. Gi tr ca m l

A. 5,8.

B. 11,6.

C. 2,6.

D. 23,2.

Cu 18: t chy mt hn hp hirocacbon ta thu c 2,24 lt CO2 (ktc) v 2,7 gam H2O th th tch O2 tham gia phn ng chy (ktc) l:

A. 5,6 lt. B. 2,8 lt. C. 4,48 lt.

D. 3,92 lt.Cu 19: Hn hp kh A gm etan v propan. t chy hn hp A thu c kh CO2 v hi H2O theo t l th tch 11:15. Thnh phn % theo khi lng ca hn hp l:

A. 18,52% ; 81,48%.

B. 45% ; 55%.

C. 28,13% ; 71,87%.

D. 25% ; 75%.