Tham kh\u1ea3o \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia n\u0103m 2016 m\u00f4n h\u00f3a \u0111\u1ec1 s\u1ed1 8 c\u00f3 \u0111\u00e1p \u00e1n v\u00e0 l\u1eddi gi\u1ea3i chi ti\u1ebft gi\u00fap c\u00e1c em th\u1eed s\u1ee9c v\u1edbi k\u1ef3 thi s\u1eafp t\u1edbi.<\/strong><\/h2>\n

\n

Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a<\/p>\n<\/div>\n

Cho bi\u1ebft nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1:<\/p>\n

H = 1; C = 12; N = 14; O = 16; Na = 23; Mg = 24; Al = 27; P = 31; S = 32; Cl =35,5; K = 39; Ca = 40; Fe = 56; Cu = 64; Br = 80; Ag = 108; Ba = 137.<\/p>\n

 C\u00e2u 1:<\/strong>H\u1ed7nh\u1ee3p A g\u1ed3m Fe<\/span><\/p>\n

2<\/dd>\n

O<\/span><\/p>\n

3<\/dd>\n

; Fe<\/span><\/p>\n

3<\/dd>\n

O<\/span><\/p>\n

4<\/dd>\n

; FeO v\u1edbi s\u1ed1 mol b\u1eb1ng nhau. L\u1ea5y x gam A cho v\u00e0o m\u1ed9t \u1ed1ng s\u1ee9, nung n\u00f3ng r\u1ed3i cho 1 lu\u1ed3ng kh\u00ed CO \u0111i qua, to\u00e0n b\u1ed9 kh\u00ed CO<\/span><\/p>\n

2<\/dd>\n

sinh ra \u0111\u01b0\u1ee3ch\u1ea5p th\u1ee5 h\u1ebft v\u00e0o dung d\u1ecbch Ba(OH)<\/span><\/p>\n

2<\/dd>\n

d\u01b0 thu \u0111\u01b0\u1ee3c y gam k\u1ebft t\u1ee7a . Ch\u1ea5t r\u1eafn c\u00f2n l\u1ea1i trong \u1ed1ng s\u1ee9 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 13,2 gam g\u1ed3m Fe, FeO v\u00e0 Fe<\/span><\/p>\n

3<\/dd>\n

O<\/span><\/p>\n

4<\/dd>\n

, Fe<\/span><\/p>\n

2<\/dd>\n

O<\/span><\/p>\n

3<\/dd>\n

. Cho h\u1ed7n h\u1ee3pn\u00e0y t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi dung d\u1ecbch HNO<\/span><\/p>\n

3<\/dd>\n

thu \u0111\u01b0\u1ee3c 1,12l\u00edt kh\u00ed NO duy nh\u1ea5t (\u0111ktc).<\/span><\/p>\n

Gi\u00e1 tr\u1ecb c\u1ee7a x v\u00e0 y t\u01b0\u01a1ng \u1ee9ng l\u00e0:<\/p>\n

A.<\/strong>13,92 v\u00e0 8,865.<\/p>\n

B.<\/strong>13,92 v\u00e0 47,28.<\/p>\n

C.<\/strong>20,880 v\u00e0 1,970.<\/p>\n

D.<\/strong>18,826 v\u00e0 1,970.<\/p>\n

C\u00e2u 2:<\/strong>Cho c\u00e1c ph\u00e1t bi\u1ec3u sau \u0111\u00e2y :<\/p>\n

(1). Ph\u00e2n ur\u00ea c\u00f3 c\u00f4ng th\u1ee9c l\u00e0 (NH<\/p>\n

4<\/dd>\n

)<\/p>\n

2<\/dd>\n

CO<\/p>\n

3<\/dd>\n

.<\/p>\n

(2). Ph\u00e2n l\u00e2n cung c\u1ea5p nit\u01a1 ho\u00e1 h\u1ee3p cho c\u00e2y d\u01b0\u1edbi d\u1ea1ng ion nitrat (NO<\/p>\n

3<\/dd>\n

–<\/dd>\n

) v\u00e0 ion amoni (NH<\/p>\n

4<\/dd>\n

+<\/dd>\n

).<\/p>\n

 (3). Nitrophotka l\u00e0 h\u1ed7n h\u1ee3p c\u00e1c mu\u1ed1i (NH<\/p>\n

4<\/dd>\n

)<\/p>\n

2<\/dd>\n

HPO<\/p>\n

4<\/dd>\n

v\u00e0 KNO<\/p>\n

3<\/dd>\n

.<\/p>\n

(4). Ph\u00e2n h\u1ed7n h\u1ee3p ch\u1ee9a nit\u01a1, photpho, kali \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 ph\u00e2n NPK.<\/p>\n

(5). Th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a supephotphat \u0111\u01a1n g\u1ed3m hai mu\u1ed1i Ca(H<\/p>\n

2<\/dd>\n

PO<\/p>\n

4<\/dd>\n

)<\/p>\n

2<\/dd>\n

 v\u00e0 CaSO<\/p>\n

4<\/dd>\n

.<\/p>\n

(6). Supephotphat k\u00e9p ch\u1ec9 c\u00f3 Ca(H<\/p>\n

2<\/dd>\n

PO<\/p>\n

4<\/dd>\n

)<\/p>\n

2<\/dd>\n

.<\/p>\n

(7). Amophot (m\u1ed9t lo\u1ea1i ph\u00e2n ph\u1ee9c h\u1ee3p) c\u00f3 th\u00e0nh ph\u1ea7n ho\u00e1 h\u1ecdc l\u00e0 NH<\/p>\n

4<\/dd>\n

H<\/p>\n

2<\/dd>\n

PO<\/p>\n

4<\/dd>\n

v\u00e0 (NH<\/p>\n

4<\/dd>\n

)<\/p>\n

2<\/dd>\n

HPO<\/p>\n

4<\/dd>\n

.<\/p>\n

S\u1ed1 ph\u00e1t bi\u1ec3usai<\/strong>l\u00e0:<\/p>\n

A.<\/strong>1           B.<\/strong>3           C.<\/strong>2           D.<\/strong>4<\/p>\n

C\u00e2u 3:<\/strong>Cho m gam NaOH v\u00e0o 2 l\u00edt dung d\u1ecbch NaHCO<\/p>\n

3<\/dd>\n

n\u1ed3ng \u0111\u1ed9 a mol\/l, thu \u0111\u01b0\u1ee3c 2 l\u00edt dung d\u1ecbch X. L\u1ea5y 1 l\u00edt dung d\u1ecbch X t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch BaCl<\/p>\n

2<\/dd>\n

(d\u01b0) thu \u0111\u01b0\u1ee3c 11,82 gam k\u1ebft t\u1ee7a . M\u1eb7t kh\u00e1c, cho 1 l\u00edt dung d\u1ecbch X v\u00e0o dung d\u1ecbch CaCl<\/p>\n

2<\/dd>\n

(d\u01b0) r\u1ed3i \u0111un n\u00f3ng, sau khi k\u1ebft th\u00fac c\u00e1c ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 7,0 gam k\u1ebft t\u1ee7a . Gi\u00e1 tr\u1ecb c\u1ee7a a, m t\u01b0\u01a1ng \u1ee9ng l\u00e0:<\/p>\n

A.<\/strong>0,07 v\u00e0 3,2.      B.<\/strong>0,08 v\u00e0 4,8.      C.<\/strong>0,04 v\u00e0 4,8.       D.<\/strong>0,14 v\u00e0 2,4.<\/p>\n

C\u00e2u 4:<\/strong>M\u1ed9t h\u1ed7n h\u1ee3p X g\u1ed3m axetilen, an\u0111ehit fomic, axit fomic, axit oxalic, an\u0111ehit oxalic v\u00e0 H<\/p>\n

2<\/dd>\n

. L\u1ea5y a mol h<\/p>\n

\u1ed7<\/dd>\n

n h\u1ee3p X cho qua Ni, \u0111\u1ed1t n\u00f3ng thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y g\u1ed3m c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 H<\/p>\n

2<\/dd>\n

. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n h\u1ed7n h\u1ee3p Y r\u1ed3i h\u1ea5p th\u1ee5 h\u1ebft s\u1ea3n ph\u1ea9m ch\u00e1y b\u1eb1ng n\u01b0\u1edbc v\u00f4i trong d\u01b0, sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c 21 gam k\u1ebft t\u1ee7a v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch n\u01b0\u1edbc v\u00f4i gi\u1ea3m 9,06 gam. Gi\u00e1 tr\u1ecb c\u1ee7a a l\u00e0:<\/p>\n

A.<\/strong>0,1.         B.<\/strong>0,5.         C.<\/strong>0,15.         D.<\/strong>0,25.<\/p>\n

C\u00e2u 5:<\/strong>Cho ph\u1ea3n \u1ee9ng thu\u1eadn ngh\u1ecbch \u1edf tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng :<\/p>\n

                  CaCO<\/p>\n

3<\/dd>\n

(r)  CaO (r) + CO<\/p>\n

2<\/dd>\n

(k)   DH = 178,5 kJ<\/p>\n

\u0110\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 c\u1ee7a ph\u1ea3n \u1ee9ng nung v\u00f4i ta c\u1ea7n:<\/p>\n

A.<\/strong>T\u0103ng \u00e1p su\u1ea5t , t\u0103ng nhi\u1ec7t \u0111\u1ed9  .         B.<\/strong>T\u0103ng nhi\u1ec7t \u0111\u1ed9, gi\u1ea3m \u00e1p xu\u1ea5t .<\/p>\n

C.<\/strong>Th\u00eam ch\u1ea5t x\u00fac t\u00e1c, gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 .        D.<\/strong>Gi\u1ea3m \u00e1p xu\u1ea5t, gi\u1ea3m nhi\u1ec7t \u0111\u1ed9<\/p>\n

C\u00e2u 6:<\/strong>M\u1ed9t h\u1ed7n h\u1ee3p X g\u1ed3m 2 este. N\u1ebfu \u0111un n\u00f3ng 27,2g h\u1ed7n h\u1ee3p X v\u1edbi dd NaOH d\u01b0 th\u00ec thu \u0111\u01b0\u1ee3c m\u1ed9t mu\u1ed1i c\u1ee7a axit h\u1eefu c\u01a1 \u0111\u01a1n ch\u1ee9c v\u00e0 11 gam h\u1ed7n h\u1ee3p hai ancol no \u0111\u01a1n ch\u1ee9c b\u1eadc 1 k\u1ebf ti\u1ebfp nhau trong d\u00e3y \u0111\u1ed3ng \u0111\u1eb3ng. M\u1eb7t kh\u00e1c, n\u1ebfu \u0111\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 27,2 gam h\u1ed7n h\u1ee3p X c\u1ea7n d\u00f9ng v\u1eeba \u0111\u1ee7 33,6 lit O<\/p>\n

2<\/dd>\n

(\u0111ktc) v\u00e0 thu \u0111\u01b0\u1ee3c 29,12 l\u00edt CO<\/p>\n

2<\/dd>\n

(\u0111ktc). X\u00e1c<\/p>\n

\u0111<\/dd>\n

\u1ecbnh c\u00f4ng th\u1ee9c c\u1ee7a 2 este:<\/p>\n

A.<\/strong>C<\/p>\n

2<\/dd>\n

H<\/p>\n

3<\/dd>\n

COOCH<\/p>\n

3<\/dd>\n

v\u00e0 C<\/p>\n

2<\/dd>\n

H<\/p>\n

3<\/dd>\n

COOC<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

      B.<\/strong>C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

COOC<\/p>\n

2<\/dd>\n

H<\/p>\n

3<\/dd>\n

v\u00e0 C\u00ad<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

COOC<\/p>\n

3<\/dd>\n

H<\/p>\n

5<\/dd>\n<\/p>\n

C.<\/strong>C<\/p>\n

2<\/dd>\n

H<\/p>\n

3<\/dd>\n

COOC<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

v\u00e0 C<\/p>\n

2<\/dd>\n

H<\/p>\n

3<\/dd>\n

COOC<\/p>\n

3<\/dd>\n

H<\/p>\n

7<\/dd>\n

      D.<\/strong>CH<\/p>\n

3<\/dd>\n

COOC<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

v\u00e0 CH<\/p>\n

3<\/dd>\n

COOC<\/p>\n

3<\/dd>\n

H<\/p>\n

7<\/dd>\n<\/p>\n

C\u00e2u 7:<\/strong>Nh\u1eefng nh\u1eadn x\u00e9t sau nh\u1eadn x\u00e9t n\u00e0o sai :<\/p>\n

A.<\/strong>Cr(OH)<\/p>\n

2<\/dd>\n

v\u00e0 Fe(OH)<\/p>\n

2<\/dd>\n

c\u00f9ng t\u00e1c d\u1ee5ng v\u1edbi oxi khi c\u00f3 m\u1eb7t  n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra Cr(OH)<\/p>\n

3<\/dd>\n

v\u00e0 Fe(OH)<\/p>\n

3<\/dd>\n<\/p>\n

B.<\/strong>Nh\u00f4m v\u00e0 Cr\u00f4m c\u00f9ng t\u00e1c d\u1ee5ng v\u1edbi HCl t\u1ea1o ra mu\u1ed1i c\u00f3 m\u1ee9c oxi h\u00f3a l\u00e0 +3<\/p>\n

C.<\/strong>S\u1eaft v\u00e0 Cr\u00f4m c\u00f9ng t\u00e1c d\u1ee5ng v\u1edbi kh\u00ed clo t\u1ea1o ra mu\u1ed1i c\u00f3 d\u1ea1ng MCl<\/p>\n

3<\/dd>\n<\/p>\n

D.<\/strong>Nh\u00f4m v\u00e0 Cr\u00f4m c\u00f9ng b\u1ecb th\u1ee5 \u0111\u1ed9ng trong dung d\u1ecbch axit sunfuric \u0111\u1eb7c<\/p>\n

C\u00e2u 8:<\/strong>H\u1ed7n h\u1ee3p X g\u1ed3m Fe v\u00e0 Al , kh\u1ed1i l\u01b0\u1ee3ng 11 gam. Cho X v\u00e0o 1 l\u00edt dung d\u1ecbch A ch\u1ee9a AgNO<\/p>\n

3<\/dd>\n

0,2M v\u00e0 dung d\u1ecbch Cu(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

0,3M. Sau khi ph\u1ea3n \u1ee9ng k\u1ebft th\u00fac \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn B (ho\u00e0n to\u00e0n kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HCl ) v\u00e0 dung d\u1ecbch C (ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 m\u00e0u xanh c\u1ee7a Cu<\/p>\n

2+<\/dd>\n

) . Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t r\u1eafn B v\u00e0 % Al c\u00f3 trong h\u1ed7n h\u1ee3p X l\u1ea7n l\u01b0\u1ee3t l\u00e0:<\/p>\n

A.<\/strong>40,8gam v\u00e0 31,18%   B.<\/strong>40,8g v\u00e0 49,09%        C.<\/strong>46,4g v\u00e0 49,09%     D . 46,4 gam v\u00e0 50,91%<\/p>\n

C\u00e2u 9:<\/strong>Co\u0301 c\u00e1c dung di\u0323ch mu\u00f4\u0301i ri\u00eang bi\u00ea\u0323t: Al(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

3<\/dd>\n

,Cu(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

,Zn(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

 <\/p>\n

,<\/dd>\n

Fe(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

3<\/dd>\n

 <\/p>\n

,<\/dd>\n

AgNO3 ,Mg(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

.N<\/p>\n

\u00ea\u0301<\/dd>\n

u cho ca\u0301c dung di\u0323ch tr\u00ean l\u1ea7n l\u01b0\u1ee3t t\u00e1c d\u1ee5ng v\u1edbi dd NH<\/p>\n

3<\/dd>\n

cho \u0111<\/p>\n

\u00ea\u0301<\/dd>\n

n d\u01b0 ho\u1eb7c dd NaOH cho \u0111\u00ea\u0301n d\u01b0, thi\u0300 sau pha\u0309n \u01b0\u0301ng s\u1ed1 k\u00ea\u0301t tu\u0309a d\u01b0\u1edbi d\u1ea1ng hi\u0111r\u00f4xit thu \u0111\u01b0\u1ee3c l\u1ea7n l\u01b0\u1ee3t l\u00e0:<\/p>\n

A.<\/strong>\u0110\u1ec1u b\u1eb1ng 3      B.<\/strong>\u0110\u1ec1u b\u1eb1ng 6      C.<\/strong>3 v\u00e0 4        D.<\/strong>4 v\u00e0 3<\/p>\n

C\u00e2u 10:<\/strong>M\u1ed9t h\u1ed7n h\u1ee3p A  g\u1ed3m m\u1ed9t ankin v\u00e0 H<\/p>\n

2<\/dd>\n

c\u00f3 t\u1ef7 kh\u1ed1i so v\u1edbi H<\/p>\n

2<\/dd>\n

l\u00e0 4. D\u1eabn h\u1ed7<\/p>\n

n<\/dd>\n

h\u1ee3p qua Ni nung n\u00f3ng \u0111\u1ebfn khi ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed B c\u00f3 t\u1ef7 kh\u1ed1i so v\u1edbi H<\/p>\n

2<\/dd>\n

 l\u00e0 8. Tr\u1ed9n 8,96 l\u00edt h\u1ed7n h\u1ee3p A v\u1edbi 0,3 mol etilen thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p D . Cho h\u1ed7n h\u1ee3p D qua Ni nung n\u00f3ng. Sau m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p E c\u00f3 t\u1ef7 kh\u1ed1i so v\u1edbi H<\/p>\n

2<\/dd>\n

l\u00e0 11,6. H\u1ed7nh\u1ee3p E l\u00e0m m\u1ea5t m\u00e0u v\u1eeba \u0111\u1ee7 m gam Br<\/p>\n

2<\/dd>\n

. Gi\u00e1 tr\u1ecb c\u1ee7am l\u00e0:<\/p>\n

A.<\/strong>32 gam        B.<\/strong>16 gam        C.<\/strong>64 gam        D.<\/strong>48 gam<\/p>\n

C\u00e2u 11:<\/strong>Nh\u00fang m\u1ed9t thanh Nh\u00f4m  v\u00e0o dung d\u1ecbch c\u00f3 ch\u1ee9a 0,8 mol Fe(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

3<\/dd>\n

v\u00e0 0,3 mol Cu(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

, sau m\u1ed9t th\u1eddi gian l\u1ea5y thanh kim lo\u1ea1i ra c\u00e2n l\u1ea1i th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng t\u0103ng 25,6 gam. Kh\u1ed1i l\u01b0\u1ee3ng Nh\u00f4m \u0111\u00e3 ph\u1ea3n \u1ee9ng l\u00e0:<\/p>\n

A.<\/strong>24,3 gam       B.<\/strong>27 gam        C.<\/strong>13,5 gam       D.<\/strong>21,6 gam<\/p>\n

C\u00e2u 12:<\/strong>Khi x\u00e0 ph\u00f2ng ho\u00e1 1kg ch\u1ea5t b\u00e9o A c\u1ea7n  3,572 lit dd KOH  1M. M\u1eb7t kh\u00e1c khi x\u00e0 ph\u00f2ng ho\u00e1 ho\u00e0n to\u00e0n 1 kg ch\u1ea5t b\u00e9o A thu \u0111\u01b0\u1ee3c 105,69 gam glixerol. T\u00ecm ch\u1ec9 s\u1ed1 x\u00e0 ph\u00f2ng ho\u00e1 v\u00e0 ch\u1ec9 s\u1ed1 axit c\u1ee7a ch\u1ea5t b\u00e9o<\/p>\n

A.<\/strong>198 v\u00e0 7        B.<\/strong>200 v\u00e0 8        C.<\/strong>200 v\u00e0 7        D.<\/strong>211 v\u00e0 8<\/p>\n

C\u00e2u 13:<\/strong>Trong b\u00e0i th\u1ef1c h\u00e0nh \u201c T\u00ednh ch\u1ea5t c\u1ee7a Natri, Magie, Nh\u00f4m v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a ch\u00fang\/SGK\u201d  th\u00ec \u1edf th\u00ed nghi\u1ec7m 3 \u201c T\u00ednh ch\u1ea5t l\u01b0\u1ee1ng t\u00ednh c\u1ee7a Al(OH)<\/p>\n

3<\/dd>\n

\u201d \u0111\u00e3 s\u1eed d\u1ee5ng:<\/p>\n

A.<\/strong>3 \u1ed1ng nghi\u1ec7m v\u00e0 3 h\u00f3a ch\u1ea5t AlCl<\/p>\n

3<\/dd>\n

, dd NH<\/p>\n

3<\/dd>\n

v\u00e0 dd NaOH<\/p>\n

B.<\/strong>2 \u1ed1ng nghi\u1ec7m v\u00e0 4 h\u00f3a ch\u1ea5t AlCl<\/p>\n

3<\/dd>\n

, H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

lo\u00e3ng, dd NH<\/p>\n

3<\/dd>\n

v\u00e0 dd NaOH<\/p>\n

C.<\/strong>3 \u1ed1ng nghi\u1ec7m v\u00e0 4 h\u00f3a ch\u1ea5t AlCl<\/p>\n

3<\/dd>\n

, H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

lo\u00e3ng, dd NH<\/p>\n

3<\/dd>\n

v\u00e0 dd NaOH<\/p>\n

D.<\/strong>2 \u1ed1ng nghi\u1ec7m v\u00e0 3 h\u00f3a ch\u1ea5t AlCl<\/p>\n

3<\/dd>\n

, dd NH<\/p>\n

3<\/dd>\n

v\u00e0 dd NaOH<\/p>\n

<\/p>\n

C\u00e2u 15:<\/strong>A, B, C l\u00e0 ba kim lo\u1ea1i k\u1ebf ti\u1ebfp nhau trong c\u00f9ng m\u1ed9t chu k\u00ec (theo th\u1ee9 t\u1ef1 t\u1eeb tr\u00e1i sang ph\u1ea3i trong chu k\u00ec) c\u00f3 t\u1ed5ng s\u1ed1 kh\u1ed1i trong c\u00e1c nguy\u00ean t\u1eed ch\u00fang l\u00e0 74. H\u1ed7n h\u1ee3p X g\u1ed3m (A, B, C). Ti\u1ebfn h\u00e0nh 3 th\u00ed nghi\u1ec7m sau: (1) ho\u00e0 tan (m) gam X v\u00e0o n\u01b0\u1edbc d\u01b0 thu \u0111\u1ef1\u01a1c 8,96 l\u00edt kh\u00ed; (2) ho\u00e0 tan (m) gam X v\u00e0o dung d\u1ecbch NaOH d\u01b0 thu \u0111\u01b0\u1ee3c 12,32 l\u00edt kh\u00ed ; (3) ho\u00e0 tan (m) gam X v\u00e0o dung d\u1ecbch HCl d\u01b0 thu \u0111\u01b0\u1ee3c 14,56 l\u00edt kh\u00ed. Bi\u1ebft c\u00e1c th\u1ec3 t\u00edch kh\u00ed \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111o \u1edf \u0111ktc v\u00e0 coi nh\u01b0 B kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc v\u00e0 ki\u1ec1m. % kh\u1ed1i l\u01b0\u1ee3ng l\u1ea7n l\u01b0\u1ee3t c\u1ee7a m\u1ed7i kim lo\u1ea1i trong X l\u00e0:<\/p>\n

A.<\/strong>30,46%, 53,64%, 15,90%           B.<\/strong>30,46%,  15,89%, 53,65%<\/p>\n

C.<\/strong>38,01%, 39,67%, 22,32%           D.<\/strong>18,4%, 38,4%, 43,2%<\/p>\n

C\u00e2u 16:<\/strong>Dung d\u1ecbch HCl v\u00e0 dung d\u1ecbch CH<\/p>\n

3<\/dd>\n

COOH c\u00f3 c\u00f9ng n\u1ed3ng \u0111\u1ed9 mol\/l, pH c\u1ee7a hai dung d\u1ecbch t\u01b0\u01a1ng \u1ee9ng l\u00e0 x v\u00e0 y. Quan h\u1ec7 gi\u1eefa x v\u00e0 y l\u00e0 (gi\u1ea3 thi\u1ebft, c\u1ee9 100 ph\u00e2n t\u1eed CH<\/p>\n

3<\/dd>\n

COOH th\u00ec c\u00f3 1 ph\u00e2n t\u1eed \u0111i\u1ec7n li)<\/p>\n

A.<\/strong>y = 100x.      B.<\/strong>y = 2x.        C.<\/strong>y = x – 2.       D.<\/strong>y = x + 2.<\/p>\n

C\u00e2u 17:<\/strong>\u0110i\u1ec7n ph\u00e2n n\u00f3ng ch\u1ea3y a gam mu\u1ed1i halogenua c\u1ee7a kim lo\u1ea1i M, thu \u0111\u01b0\u1ee3c 1,6 gam M \u1edf Catot v\u00e0 0,896 l\u00edt kh\u00ed  (\u0111ktc) \u1edf Anot. M\u1eb7t kh\u00e1c dung d\u1ecbch ch\u1ee9a a gam mu\u1ed1i halogenua n\u00f3i tr\u00ean t\u00e1c d\u1ee5ng v\u1edbi AgNO<\/p>\n

3<\/dd>\n

d\u01b0 thu \u0111\u01b0\u1ee3c 11,48 gam k\u1ebft t\u1ee7a . C\u00f4ng th\u1ee9c mu\u1ed1i halogenua l\u00e0:<\/p>\n

A.<\/strong>Magie clorua     B.<\/strong>Canxi Clorua     C.<\/strong>Canxi florua     D.<\/strong>Canxi bromua<\/p>\n

C\u00e2u 18:<\/strong>Cho c\u00e1c ph\u1ea3n \u1ee9ng<\/p>\n

       1, M + H<\/p>\n

+<\/dd>\n

\u2192  A  +  B        2, B +  NaOH \u2192 C + D<\/p>\n

       3, C  + O<\/p>\n

2<\/dd>\n

  +  H<\/p>\n

2<\/dd>\n

O \u2192 E        4, E +  NaOH \u2192 NaMO<\/p>\n

2<\/dd>\n

+ H<\/p>\n

2<\/dd>\n

O<\/p>\n

   M l\u00e0 kim lo\u1ea1i n\u00e0o sau \u0111\u00e2y<\/p>\n

A.<\/strong>Al          B.<\/strong>Fe           C.<\/strong>C\u1ea3 Al v\u00e0 Cr     D.<\/strong>Cr<\/p>\n

C\u00e2u 19:<\/strong>S\u1ee5c kh\u00ed H<\/p>\n

2<\/dd>\n

S d\u01b0 v\u00e0o dung d\u1ecbch mu\u1ed1i c\u00f3 ch\u1ee9a m gam h\u1ed7n h\u1ee3p g\u1ed3m CuCl<\/p>\n

2<\/dd>\n

v\u00e0 FeCl<\/p>\n

3<\/dd>\n

l\u1ecdc t\u00e1ch \u0111\u01b0\u1ee3c 0,3 mol h\u1ed7n h\u1ee3p ch\u1ea5t k\u1ebft t\u1ee7a v\u00e0 dung d\u1ecbch X . Cho dung d\u1ecbch KOH d\u01b0 v\u00e0o dung d\u1ecbch X . L\u1ecdc k\u1ebft t\u1ee7a nung ngo\u00e0i kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c 32 gam ch\u1ea5t r\u1eafn .C\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n .Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0 :<\/p>\n

A.<\/strong>78,5 g.        B.<\/strong>90,4g.         C.<\/strong>43,25 g.       D.<\/strong>122,9g.<\/p>\n

C\u00e2u 20:<\/strong>Trong ph\u1ea3n \u1ee9ng Cr<\/p>\n

2<\/dd>\n

O<\/p>\n

7<\/dd>\n

2-<\/dd>\n

  +   <\/p>\n

+<\/dd>\n

H<\/p>\n

+<\/dd>\n

\u2192 Cr<\/p>\n

3<\/dd>\n

+<\/dd>\n

 + X  +  H<\/p>\n

2<\/dd>\n

O<\/p>\n

.<\/dd>\n

X l\u00e0:<\/p>\n

A.<\/strong>SO<\/p>\n

4<\/dd>\n

2-<\/dd>\n

         B.<\/strong>S           C.<\/strong>H<\/p>\n

2<\/dd>\n

S         <\/p>\n

D.<\/dd>\n

<\/strong><\/p>\n

S<\/dd>\n

O<\/p>\n

2<\/dd>\n<\/p>\n

C\u00e2u 21:<\/strong>H\u1ed7n h\u1ee3p X g\u1ed3m hidro, propen, propanal v\u00e0 ancol anlylic . \u0110\u1ed1t ch\u00e1y 1 mo<\/p>\n

l<\/dd>\n

h\u1ed7n h\u1ee3p X thu \u0111\u01b0\u1ee3c 39,6 gam H<\/p>\n

2<\/dd>\n

O. \u0110un n\u00f3ngX<\/em>v\u1edbi b\u1ed9t Ni m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3pY<\/em>c\u00f3 t\u1ec9 kh\u1ed1i h\u01a1i so v\u1edbiX<\/em>b\u1eb1ng 1,25. N\u1ebfu l\u1ea5y 0,2 mol h\u1ed7n h\u1ee3pY<\/em>th\u00ec ph\u1ea3n \u1ee9ng v\u1eeba \u0111\u1ee7 v\u1edbi V ml dung d\u1ecbch Br<\/p>\n

2<\/dd>\n

1 mol\/l. Gi\u00e1tr\u1ecb c\u1ee7aV<\/strong>l\u00e0:<\/p>\n

A.<\/strong>100         B.<\/strong>250         C.<\/strong>200         D.<\/strong>300<\/p>\n

C\u00e2u 22:<\/strong>Cho 100ml dung d\u1ecbch Al<\/p>\n

2<\/dd>\n

(SO<\/p>\n

4<\/dd>\n

)<\/p>\n

3<\/dd>\n

t\u00e1c d\u1ee5ng v\u1edbi 100ml dd Ba(OH)<\/p>\n

2<\/dd>\n

, n\u1ed3ng \u0111\u1ed9 mol c\u1ee7a dd Ba(OH)<\/p>\n

2<\/dd>\n

b\u1eb1ng 3,5 l\u1ea7n n\u1ed3ng \u0111\u1ed9 mol c\u1ee7a dd Al<\/p>\n

2<\/dd>\n

(SO<\/p>\n

4<\/dd>\n

)<\/p>\n

3<\/dd>\n

th\u00ec thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a A . Nung A \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i th\u00ec kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn thu \u0111\u01b0\u1ee3c b\u00e9 h\u01a1n kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a A l\u00e0 2,7gam . T\u00ednh n\u1ed3ng \u0111\u1ed9 mol c\u1ee7a Al<\/p>\n

2<\/dd>\n

(SO<\/p>\n

4<\/dd>\n

)<\/p>\n

3<\/dd>\n

v\u00e0 Ba(OH)<\/p>\n

2<\/dd>\n

trong dd ban \u0111\u1ea7u l\u1ea7n l\u01b0\u1ee3t l\u00e0 :<\/p>\n

A.<\/strong>0,1M v\u00e0 0,35M   B.<\/strong>0,2M v\u00e0 0,7M     C.<\/strong>0,5M v\u00e0 1,75M   D.<\/strong>1M v\u00e0 3,5M<\/p>\n

C\u00e2u 23:<\/strong>Cho c\u00e1c h\u1ee3p ch\u1ea5t sau:<\/p>\n

    (a) HOCH<\/p>\n

2<\/dd>\n

-CH<\/p>\n

2<\/dd>\n

OH ;                  <\/p>\n

(b<\/p>\n

)<\/dd>\n

HOCH<\/p>\n

2<\/dd>\n

-CH<\/p>\n

2<\/dd>\n

-CH<\/p>\n

2<\/dd>\n

OH ;<\/p>\n

(c<\/p>\n

)<\/dd>\n

HOCH<\/p>\n

2<\/dd>\n

-CH(OH)-CH<\/p>\n

2<\/dd>\n

OH<\/p>\n

;<\/dd>\n

           <\/p>\n

(d) CH<\/p>\n

3<\/dd>\n

-CH(OH)-COOH<\/p>\n

;<\/dd>\n

   <\/p>\n

 (e) CH<\/p>\n

3<\/dd>\n

-CH<\/p>\n

2<\/dd>\n

OH ;                   <\/p>\n

(f<\/p>\n

)<\/dd>\n

CH<\/p>\n

3<\/dd>\n

-O-CH<\/p>\n

2<\/dd>\n

CH<\/p>\n

3<\/dd>\n

. <\/p>\n

 C\u00e1c ch\u1ea5t\u0111\u1ec1u t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Na, Cu(OH)<\/p>\n

2<\/dd>\n

l\u00e0<\/p>\n

A.<\/strong>(c), (d), (f).      B.<\/strong>(a), (b), (c).     C.<\/strong>(a), (c), (d).     D.<\/strong>(c),<\/p>\n

(<\/dd>\n

d), (e).<\/p>\n

C\u00e2u 24:<\/strong>C\u00f3 c\u00e1c th\u00ed nghi\u1ec7m sau:<\/p>\n

– TN<\/p>\n

1<\/dd>\n

: Cho h\u01a1i n\u01b0\u1edbc \u0111i qua \u1ed1ng \u0111\u1ef1ng b\u1ed9t s\u1eaft nung n\u00f3ng.<\/p>\n

– TN<\/p>\n

2<\/dd>\n

: Cho \u0111inh s\u1eaft nguy\u00ean ch\u1ea5t v\u00e0o dd H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

lo\u00e3ng c\u00f3 nh\u1ecf th\u00eam v\u00e0i gi\u1ecdt dd CuSO<\/p>\n

4<\/dd>\n

.<\/p>\n

– TN<\/p>\n

3<\/dd>\n

: \u0110\u1ec3 thanh th\u00e9p trong kh\u00f4ng kh\u00ed \u1ea9m<\/p>\n

– TN<\/p>\n

4<\/dd>\n

: Nh\u00fang l\u00e1 k\u1ebdm nguy\u00ean ch\u1ea5t v\u00e0o dd CuSO<\/p>\n

4<\/dd>\n

.<\/p>\n

– TN<\/p>\n

5<\/dd>\n

: Thanh Fe c\u00f3 qu\u1ea5n d\u00e2y Cu v\u00e0 \u0111\u1ec3 ngo\u00e0i kh\u00f4ng kh\u00ed \u1ea9m.<\/p>\n

– TN<\/p>\n

6<\/dd>\n

: H\u1ee3p kim Ag-Cu nh\u00fang v\u00e0o dd HCl<\/p>\n

– TN<\/p>\n

7<\/dd>\n

: H\u1ee3p kim Zn-Cu nh\u00fang v\u00e0o dd NaOH<\/p>\n

– TN<\/p>\n

8<\/dd>\n

: S\u1eaft m\u1ea1 thi\u1ebfc nh\u00fang v\u00e0o dd HCl<\/p>\n

S\u1ed1 tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra kh\u00f4ng ph\u1ea3i l\u00e0 \u0103n m\u00f2n h\u00f3a h\u1ecdc l\u00e0:<\/p>\n

A.<\/strong>6           B.<\/strong>4           C.<\/strong>7           D.<\/strong>5<\/p>\n

C\u00e2u 25:<\/strong>Cho c\u00e1c polime sau: (1) Poli(phenol foman\u0111ehit), (2) Polietilen, (3) Polibuta\u0111ien, (4) Poli(acrilonitrin), (5) Poli(vinyl clorua), (6) Poli(metyl metacrylat). Nh\u1eefng polime \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0mch\u1ea5t d\u1ebbo<\/strong>l\u00e0<\/p>\n

A.<\/strong>1,2,3,4,6       B.<\/strong>1,2,3,4,5       C.<\/strong>1,2,5,6        D.<\/strong>1,2,3,5<\/p>\n

C\u00e2u 26:<\/strong>Cho h\u01a1i n\u01b0\u1edbc \u0111i qua than nung \u0111\u1ecf thu \u0111\u01b0\u1ee3c 23,52 l\u00edt h\u1ed7n h\u1ee3p kh\u00ed X (\u0111ktc) g\u1ed3m kh\u00ed CO, CO<\/p>\n

2<\/dd>\n

, H<\/p>\n

2<\/dd>\n

. Oxi h\u00f3a h\u1ebft \u00bd h\u1ed7n h\u1ee3p X b\u1eb1ng CuO n\u00f3ng thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn Y. H\u00f2a tan ho\u00e0n to\u00e0n Y trong dung d\u1ecbch HNO<\/p>\n

3<\/dd>\n

lo\u00e3ng thu \u0111\u01b0\u1ee3c 6,72 l\u00edt (\u0111ktc) kh\u00ed NO (s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t). Ph\u1ea7n tr\u0103m th\u1ec3 t\u00edch kh\u00ed CO<\/p>\n

2<\/dd>\n

trong X l\u00e0:<\/p>\n

A.<\/strong>14,28%       B.<\/strong>57,14%       C.<\/strong>18,42%       D.<\/strong>28,56%<\/p>\n

C\u00e2u 27:<\/strong>Cho ch\u1ea5t X v\u00e0o dung d\u1ecbch NaOH \u0111un n\u00f3ng thu \u0111\u01b0\u1ee3c kh\u00ed Y; Cho ch\u1ea5t r\u1eafn X v\u00e0o dung d\u1ecbch HCl sau \u0111\u00f3 cho Cu v\u00e0o th\u1ea5y Cu tan ra v\u00e0 c\u00f3 kh\u00ed kh\u00f4ng m\u00e0u bay l\u00ean h\u00f3a n\u00e2u trong kh\u00f4ng kh\u00ed. Nhi\u1ec7t ph\u00e2n X trong \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p thu \u0111\u01b0\u1ee3c m\u1ed9t oxit phi kim. V\u1eady X l\u00e0 ch\u1ea5t n\u00e0o sau \u0111\u00e2y?<\/p>\n

A.<\/strong>(NH<\/p>\n

4<\/dd>\n

)<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

.     B.<\/strong>NH<\/p>\n

\u00ad4<\/dd>\n

NO<\/p>\n

3<\/dd>\n

.<\/strong>      C.<\/strong>(NH<\/p>\n

4<\/dd>\n

)<\/p>\n

2<\/dd>\n

S.       D.<\/strong>NH<\/p>\n

4<\/dd>\n

NO<\/p>\n

2<\/dd>\n

.<\/p>\n

C\u00e2u 28:<\/strong>Khi t\u00e1ch n\u01b0\u1edbc t\u1eeb h\u1ed7n h\u1ee3p 2 ancol butan-2-ol v\u00e0 2-metylpropan-1-ol \u1edf 170<\/p>\n

o<\/dd>\n

c,x\u00fac t\u00e1c H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

\u0111\u1eb7c thu \u0111\u01b0\u1ee3cs\u1ed1 l\u01b0\u1ee3ng anken l\u00e0:<\/p>\n

A.<\/strong>3           B.<\/strong>4           C.<\/strong>1           D.<\/strong>2<\/p>\n

C\u00e2u 29:<\/strong>Cho Zn t\u1edbi d\u01b0 v\u00e0o dung d\u1ecbch g\u1ed3m HCl; 0,05 mol NaNO<\/p>\n

3<\/dd>\n

v\u00e0 0,05 mol Cu(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

.Sau khi k\u1ebft th\u00fac c\u00e1c ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbchX<\/strong>ch\u1ee9a m gam mu\u1ed1i; 0,125 mol h\u1ed7n h\u1ee3p kh\u00edY<\/strong>g\u1ed3m hai kh\u00ed kh\u00f4ng m\u00e0u, trong \u0111\u00f3 c\u00f3 m\u1ed9t kh\u00ed h\u00f3a n\u00e2u trong kh\u00f4ng kh\u00ed. T\u1ec9 kh\u1ed1i c\u1ee7aY<\/strong>so v\u1edbi H<\/p>\n

2<\/dd>\n

l\u00e0 12,2. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0:<\/p>\n

A.<\/strong>65.          B.<\/strong>49,775.       C.<\/strong>63,4          D.<\/strong>71,625.<\/p>\n

C\u00e2u 30:<\/strong>\u0110un n\u00f3ng 34,8 gam h\u1ed7n h\u1ee3p A g\u1ed3m propylclorua v\u00e0 pheylclorua v\u1edbi dung d\u1ecbch NaOH lo\u00e3ng, v\u1eeba \u0111\u1ee7, sau \u0111\u00f3 th\u00eam ti\u1ebfp dung d\u1ecbch AgNO<\/p>\n

3<\/dd>\n

\u0111\u1ebfn d\u01b0 v\u00e0o h<\/p>\n

\u1ed7<\/dd>\n

n h\u1ee3p sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 43,05 gam k\u1ebft t\u1ee7a. Kh\u1ed1i l\u01b0\u1ee3ng phenylclorua c\u00f3 trong h\u1ed7n h\u1ee3p A l\u00e0:<\/p>\n

A.<\/strong>25,3 gam       B.<\/strong>23,55 gam       C.<\/strong>12,65 gam       D.<\/strong>11,25 gam<\/p>\n

C\u00e2u 31:<\/strong>Cho c\u00e1c ph\u00e1t bi\u1ec3u sau:<\/p>\n

(a) An\u0111ehit v\u1eeba c\u00f3 t\u00ednh oxi h\u00f3a, v\u1eeba c\u00f3 t\u00ednh kh\u1eed.<\/p>\n

(b) Phenol tham gia ph\u1ea3n \u1ee9ng th\u1ebf brom kh\u00f3 h\u01a1n benzen.<\/p>\n

(c) An\u0111ehit t\u00e1c d\u1ee5ng v\u1edbi H<\/p>\n

2<\/dd>\n

(d\u01b0) c\u00f3 x\u00fac t\u00e1c Ni, \u0111un n\u00f3ng, thu \u0111\u01b0\u1ee3c ancol b\u1eadc I.<\/p>\n

(d) Dung d\u1ecbch axit axetic t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Cu(OH)<\/p>\n

2<\/dd>\n

.<\/p>\n

(e) Dung d\u1ecb<\/p>\n

c<\/dd>\n

h phenol trong n\u01b0\u1edbc l\u00e0m qu\u1ef3 t\u00edm h\u00f3a \u0111\u1ecf.<\/p>\n

(f) Trong c\u00f4ng nghi\u1ec7p, axeton \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb cumen.<\/p>\n

S\u1ed1 ph\u00e1t bi\u1ec3u \u0111\u00fang trong s\u1ed1 c\u00e1c ph\u00e1t bi\u1ec3u tr\u00ean l\u00e0:<\/p>\n

A.<\/strong>4 .           B.<\/strong>3.          C.<\/strong>5.          D.<\/strong>2.<\/p>\n

C\u00e2u 32:<\/strong>\u0110em oxi h\u00f3a 2,76 gam r\u01b0\u1ee3u etylic, thu \u0111\u01b0\u1ee3c dung d\u1ecbch A c\u00f3 ch\u1ee9a an\u0111ehit, axit, r\u01b0\u1ee3u v\u00e0 n\u01b0\u1edbc. M\u1ed9t n\u1eeda l\u01b0\u1ee3ng dung d\u1ecbch A cho t\u00e1c d\u1ee5ng ho\u00e0n to\u00e0n v\u1edbi l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch AgNO<\/p>\n

3<\/dd>\n

trong amoniac, thu \u0111\u01b0\u1ee3c 3,24 gam b\u1ea1c kim lo\u1ea1i. M\u1ed9t n\u1eeda dung d\u1ecbch A c\u00f2n l\u1ea1i trung h\u00f2a v\u1eeba \u0111\u1ee7 7,5 ml dung d\u1ecbch NaOH 1M. Ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng r\u01b0\u1ee3u etylic \u0111\u00e3 b\u1ecb oxi h\u00f3a l\u00e0:<\/p>\n

A.<\/strong>80%          B.<\/strong>75%          C.<\/strong>50%          D.<\/strong>25%<\/p>\n

C\u00e2u 33:<\/strong>C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ebf cao su Buna (X) t\u1eeb c\u00e1c ngu\u1ed3n thi\u00ean nhi\u00ean theo c\u00e1c s\u01a1 \u0111\u1ed3 sau.<\/p>\n

H\u00e3y ch\u1ec9 ra s\u01a1 \u0111\u1ed3sai<\/strong><\/p>\n

A.<\/strong>CaCO<\/p>\n

3<\/dd>\n

\u2192 CaO \u2192 CaC<\/p>\n

2<\/dd>\n

\u2192 C<\/p>\n

2<\/dd>\n

H<\/p>\n

2<\/dd>\n

\u2192C<\/p>\n

4<\/dd>\n

H<\/p>\n

4<\/dd>\n

\u2192 Bu<\/p>\n

t<\/dd>\n

a<\/p>\n

–<\/dd>\n

1,3<\/p>\n

–<\/dd>\n

\u0111<\/p>\n

i<\/dd>\n

en \u2192  X<\/p>\n

.<\/dd>\n<\/p>\n

B.<\/strong>Tinh b\u1ed9t \u2192 glucoz\u01a1 \u2192 C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

OH \u2192  Buta-1,3-\u0111ien\u2192  X.<\/p>\n

C.<\/strong>CH<\/p>\n

4<\/dd>\n

\u2192 C<\/p>\n

2<\/dd>\n

H<\/p>\n

2<\/dd>\n

\u2192C<\/p>\n

4<\/dd>\n

H<\/p>\n

4<\/dd>\n

\u2192 Buta<\/p>\n

–<\/dd>\n

1,3<\/p>\n

–<\/dd>\n

\u0111ien \u2192  X<\/p>\n

.<\/dd>\n<\/p>\n

D.<\/strong>Xenluloz\u01a1 \u2192 glucoz\u01a1 \u2192 C<\/p>\n

2<\/dd>\n

H<\/p>\n

4<\/dd>\n

\u2192 C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

OH \u2192B<\/p>\n

u<\/dd>\n

ta-1<\/p>\n

,<\/dd>\n

3<\/p>\n

–<\/dd>\n

\u0111ien \u2192 X.<\/p>\n

C\u00e2u 34:<\/strong>Ch\u1ea5t n\u00e0o sau \u0111\u00e2y \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng c\u00f3 tr\u1ea1ng th\u00e1i l\u1ecfng:<\/p>\n

A.<\/strong>stearin.        B.<\/strong>panmitin.        C.<\/strong>olein.         D.<\/strong>Parafin<\/p>\n

C\u00e2u 35:<\/strong>Cho a mol Al v\u00e0o dd ch\u1ee9a b mol Fe<\/p>\n

3+<\/dd>\n

v\u00e0 c mol Cu<\/p>\n

2+<\/dd>\n

. K\u1ebft th\u00fac ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 2 kim lo\u1ea1i. K\u1ebft lu\u1eadn n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang?<\/p>\n

A.<\/strong>b + 2c  < 3a  \u2264 3b + 2c            B.<\/strong>b + 2c  \u2264  3a  \u2264 3b + 2c<\/p>\n

C.<\/strong>2b + 2c  < 3a  \u2264 3b + 2c            D.<\/strong>2c\/3 \u2264 a \u2264 2(b + c)\/3<\/p>\n

C\u00e2u 36:<\/strong>Trong s\u1ed1 c\u00e1c lo\u1ea1i t\u01a1 sau: t\u01a1 t\u1eb1m, t\u01a1 visco, t\u01a1 nilon-6,6, t\u01a1 axetat<\/p>\n

,<\/dd>\n

t\u01a1 capron, t\u01a1 enang, nh\u1eefng lo\u1ea1i t\u01a1 n\u00e0o thu\u1ed9c lo\u1ea1i t\u01a1 nh\u00e2n t\u1ea1o?<\/p>\n

A.<\/strong>T\u01a1 t\u1eb1m v\u00e0 t\u01a1 enan.                B.<\/strong>T\u01a1 visco v\u00e0 t\u01a1 nilon-6,6.<\/p>\n

C.<\/strong>T\u01a1 nilon-6,6 v\u00e0 t\u01a1 capron.            D.<\/strong>T\u01a1 visco v\u00e0 t\u01a1 axetat.<\/p>\n

C\u00e2u 37:<\/strong>Ph\u00e2n t\u1eed glucoz\u01a1 t\u00e1c d\u1ee5ng v\u1edbi Cu(OH)<\/p>\n

2<\/dd>\n

cho\u2026, v\u1eady trong ph\u00e2n t\u1eed\u2026 \u1edf\u2026T\u01b0\u01a1ng t\u1ef1 nh\u01b0 glucoz\u01a1, \u2026c\u1ed9ng v\u1edbi hi\u0111ro cho\u2026,b\u1ecb oxi ho\u00e1 b\u1edfi\u2026trong mt OH<\/p>\n

–<\/dd>\n

. Cacbohi\u0111ratl\u00e0 nh\u1eefng\u2026v\u00e0 \u0111a s\u1ed1 ch\u00fang c\u00f3 c\u00f4ng th\u1ee9c chung l\u00e0 \u2026<\/p>\n

(1) dd m\u00e0u xanh lam;  (2) C<\/p>\n

n<\/dd>\n

(H<\/p>\n

2<\/dd>\n

O)<\/p>\n

m<\/dd>\n

  ; (3) v\u1ecbtr\u00ed k\u1ec1 nhau;    (4)c\u00f3 nhi\u1ec1u nh\u00f3m OH;   (5) fructoz\u01a1;    <\/p>\n

(6) ph\u1ee9c b\u1ea1c amoniac; (7) poliancol;  (8) h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 t\u1ea1p ch\u1ee9c;. <\/p>\n

T\u1eeb hay c\u1ee5m t\u1eeb th\u00edch h\u1ee3p \u1edf nh\u1eefng ch\u1ed7 tr\u1ed1ng trong c\u00e1c c\u00e2u \u1edf \u0111o\u1ea1n v\u0103n tr\u00ean l\u1ea7n l\u01b0\u1ee3t l\u00e0:<\/p>\n

A.<\/strong>(2),(3),(1),(4),(5),(6),(7),(8).          B.<\/strong>(1),(7),(4),(5),(3),(6),(8),(2).<\/p>\n

C.<\/strong>(1),(4),(3),(5),(7),(6),(8),(2).          D.<\/strong>(1),(2),(3),(4),(5), (6),(7),(8).<\/p>\n

C\u00e2u 38:<\/strong>Th\u1ee7y ph\u00e2n h\u1ebft m\u1ed9t l\u01b0\u1ee3ng pentapeptitX<\/em>trong m\u00f4i tr\u01b0\u1eddng axit thu \u0111\u01b0\u1ee3c 27,4 gam tetrapeptit Gly-Ala-Gly-Ala ;  10,15gam tripeptit Gly-Ala-Gly; 21,7 gam tripeptit Gly-Ala-Ala   ,  29,2 gam dipeptit  Gly-Ala; 7,5 gam Gly, c\u00f2n l\u1ea1i l\u00e0 Ala-Ala   v\u00e0 Alanin . T\u1ec9 l\u1ec7 s\u1ed1 mol Ala-Ala   v\u00e0 Alanin trong h\u1ed7n h\u1ee3p l\u00e0 1 : 2. T\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng Ala-Ala   v\u00e0 Alanin trong h\u1ed7n h\u1ee3p s\u1ea3n ph\u1ea9m l\u00e0:<\/p>\n

A.<\/strong>27,90 gam       B.<\/strong>33,80 gam       C.<\/strong>29,70 gam       D.<\/strong>35,60 gam<\/p>\n

C\u00e2u 39:<\/strong>\u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 0,1mol h\u1ed7n h\u1ee3p X g\u1ed3m m\u1ed9t an\u0111ehit A v\u00e0 m\u1ed9t axit h\u1eefu c\u01a1 \u0111\u01a1 n ch\u1ee9c B (A k\u00e9m B hai nguy\u00ean t\u1eed cacbon trong ph\u00e2n t\u1eed) thu \u0111\u00ad\u01b0\u1ee3c 4,48 l\u00edt kh\u00ed CO<\/p>\n

2<\/dd>\n

\u1edf \u0111ktc v\u00e0 2,7 gam n\u01b0\u1edbc. V\u1eady khi cho 0,2 mol X tham gia ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n v\u1edbi V ml dung d\u1ecbch Br<\/p>\n

2<\/dd>\n

1M. Gi\u00e1 tr\u1ecb c\u1ee7a V l\u00e0:<\/p>\n

A.<\/strong>100.          B.<\/strong>200.          C.<\/strong>300         D.<\/strong>400.<\/p>\n

C\u00e2u 40:<\/strong>Nh\u1ef1a phenolfoman\u0111\u00eahit (novolac)\u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch \u0111un n\u00f3ng phenol (d\u01b0) v\u1edbi dung d\u1ecbch:<\/p>\n

A.<\/strong>CH<\/p>\n

3<\/dd>\n

CHO trong m\u00f4itr\u01b0\u1eddng axit        B.<\/strong>HCHO trong m\u00f4i tr\u01b0\u1eddng ki\u1ec1m<\/p>\n

C.<\/strong>HCHO trong m\u00f4i tr\u01b0\u1eddng axit          D.<\/strong>HCOOH trong m\u00f4i tr\u01b0\u1eddng axit<\/p>\n

C\u00e2u 41:<\/strong>Nung n\u00f3ng Cu(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

\u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn X v\u00e0 h\u1ed7n h\u1ee3p  kh\u00ed Y, d\u1eabn kh\u00ed Y v\u00e0o c\u1ed1c n\u01b0\u1edbc \u0111\u01b0\u1ee3c dung d\u1ecbch Z. Kh\u1eed ho\u00e0n to\u00e0n X b\u1eb1ng hi\u0111r\u00f4 nung n\u00f3ng \u0111\u01b0\u1ee3c ch\u1ea5t  r\u1eafn M. Cho to\u00e0n b\u1ed9 M v\u00e0o Z th\u1ea5y M tan m\u1ed9t ph\u1ea7n v\u00e0 tho\u00e1t ra kh\u00ed V<\/p>\n

1<\/dd>\n

l\u00edt NO<\/p>\n

2<\/dd>\n

duy nh\u1ea5t. L\u1ea5y ph\u1ea7n kh\u00f4ng tan c\u00f2n l\u1ea1i c\u1ee7a M t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HNO<\/p>\n

3<\/dd>\n

d\u01b0 th\u00ec thu \u0111\u01b0\u1ee3c V<\/p>\n

2<\/dd>\n

l\u00edt kh\u00ed NO<\/p>\n

2<\/dd>\n

duy nh\u1ea5t. Gi\u1ea3 thi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, c\u00e1c kh\u00ed \u0111o \u1edf c\u00f9ng \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t. T\u1ec9 l\u1ec7 V<\/p>\n

1<\/dd>\n

\/V<\/p>\n

2<\/dd>\n

l\u00e0:<\/p>\n

A.<\/strong>3\/2          B.<\/strong>1\/2          C.<\/strong>2\/1          D.<\/strong>1\/1<\/p>\n

C\u00e2u 42:<\/strong>\u0110i\u1ec7n ph\u00e2n 100 ml h\u1ed7n h\u1ee3p dung d\u1ecbch g\u1ed3m FeCl<\/p>\n

3<\/dd>\n

1M , FeCl<\/p>\n

2<\/dd>\n

1M , CuCl<\/p>\n

2<\/dd>\n

0,5M v\u00e0 HCl 3M v\u1edbi \u0111i\u1ec7n c\u1ef1c tr\u01a1 c\u00f3 m\u00e0ng ng\u0103n x\u1ed1p c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n l\u00e0 5A trong 2 gi\u1edd 40 ph\u00fat 50 gi\u00e2y \u1edf catot thu \u0111\u01b0\u1ee3c:<\/p>\n

A.<\/strong>Ch\u1ec9 c\u00f3 11,2g Fe                 B.<\/strong>Ch\u1ec9  c\u00f3 5,6 g Fe<\/p>\n

C.<\/strong>Ch\u1ec9 3,2 g Cu                  D.<\/strong>5,6 g Fe v \u00e0 3,2 g Cu<\/p>\n

C\u00e2u 43:<\/strong>\u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 2,9 gam h\u1ed7n h\u1ee3p X g\u1ed3m: C<\/p>\n

x<\/dd>\n

H<\/p>\n

y<\/dd>\n

COOH; C<\/p>\n

x<\/dd>\n

H<\/p>\n

y<\/dd>\n

COOC<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

v\u00e0 C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

OH thu \u0111\u01b0\u1ee3c2<\/p>\n

,<\/dd>\n

912 l\u00edt CO<\/p>\n

2<\/dd>\n

(\u0111ktc) v\u00e0 1,98 gam H<\/p>\n

2<\/dd>\n

O. M\u1eb7t kh\u00e1c cho 5,8 gam h\u1ed7n h\u1ee3p X ph\u1ea3n \u1ee9ng v\u1eeba \u0111\u1ee7 v\u1edbi 30ml dd NaOH 2M, thu \u0111\u01b0\u1ee3c 1,84 gam C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

OH. L\u1ea5y l\u01b0\u1ee3ngC<\/p>\n

x<\/dd>\n

H<\/p>\n

y<\/dd>\n

COOH c\u00f3 trong 2,9 gam X cho t\u00e1c d\u1ee5ng v\u1edbi h\u1ed7n h\u1ee3p ch\u1ee9a 0,02 mol CH<\/p>\n

3<\/dd>\n

OH v\u00e0 0,03 mo<\/p>\n

l<\/dd>\n

C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

OH, x\u00fac t\u00e1cH<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

\u0111\u1eb7c n\u00f3ng.Gi\u1ea3 s\u1eed 2 ancol ph\u1ea3n \u1ee9ng v\u1edbi kh\u1ea3 n\u0103ng nh\u01b0 nhau v\u00e0 H%=100% th\u00ec kh\u1ed1i l\u01b0\u1ee3ng este thu \u0111\u01b0\u1ee3c l\u00e0:<\/p>\n

A.<\/strong>1,888 gam       B.<\/strong>1,648 gam       C.<\/strong>2,832 gam       D.<\/strong>2,472 gam<\/p>\n

C\u00e2u 44:<\/strong>H\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 X m\u1ea1ch h\u1edf ch\u1ee9a c\u00e1c nguy\u00ean t\u1ed1 C, H, N trong \u0111\u00f3 c\u00f3 23,72% kh\u1ed1i l\u01b0\u1ee3ng N. X t\u00e1c d\u1ee5ng v\u1edbi HCl theo t\u1ef7 l\u1ec7 mol 1:1. Ch\u1ecdn c\u00e2u ph\u00e1t bi\u1ec3usai<\/em>?<\/p>\n

A.<\/strong>N\u1ebfu c\u00f4ng th\u1ee9c X l\u00e0 C<\/p>\n

x<\/dd>\n

H<\/p>\n

y<\/dd>\n

N<\/p>\n

z<\/dd>\n

th\u00ec : 12x – y = 45<\/p>\n

B.<\/strong>N\u1ebfu c\u00f4ng th\u1ee9c X l\u00e0 C<\/p>\n

x<\/dd>\n

H<\/p>\n

y<\/dd>\n

N<\/p>\n

z<\/dd>\n

th\u00ecz = 1<\/p>\n

C.<\/strong>X l\u00e0 h\u1ee3p ch\u1ea5t amin.<\/p>\n

D.<\/strong>C\u1ea5u t\u1ea1o c\u1ee7a X l\u00e0 amin no, \u0111\u01a1n ch\u1ee9c<\/p>\n

C\u00e2u 45:<\/strong>M\u1ed9t h\u1ed7n h\u1ee3p X g\u1ed3m hai anken A, B \u0111\u1ed3ng \u0111\u1eb3ng k\u1ebf ti\u1ebfp. Cho v\u00e0o b\u00ecnh m\u1ed9t l\u01b0\u1ee3ng H<\/p>\n

2<\/dd>\n

v\u00e0 b\u1ed9t Ni \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed Y, \u00e1p su\u1ea5t l\u00fac n\u00e0y l\u00e0 p<\/p>\n

1<\/dd>\n

. Nung n\u00f3ng b\u00ecnh m\u1ed9t th\u1eddi gian \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Z c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi H<\/p>\n

2<\/dd>\n

l\u00e0 8,875, sau \u0111\u00f3 \u0111\u01b0a b\u00ecnh v\u1ec1 nhi\u1ec7t \u0111\u1ed9 ban \u0111\u1ea7u th\u00ec th\u1ea5y \u00e1p su\u1ea5t trong b\u00ecnh l\u00fac n\u00e0y l\u00e0 p<\/p>\n

2<\/dd>\n

= 2\/3p<\/p>\n

1<\/dd>\n

. H\u00e3yx\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed 2 anken v\u00e0 % H<\/p>\n

2<\/dd>\n

\u0111\u00e3 ph\u1ea3n \u1ee9ng?<\/p>\n

A.<\/strong>C<\/p>\n

2<\/dd>\n

H<\/p>\n

4<\/dd>\n

v\u00e0 C<\/p>\n

3<\/dd>\n

H<\/p>\n

6<\/dd>\n

; 50%               B.<\/strong>C<\/p>\n

3<\/dd>\n

H<\/p>\n

6<\/dd>\n

v\u00e0 C<\/p>\n

4<\/dd>\n

H<\/p>\n

8<\/dd>\n

; 50%<\/p>\n

C.<\/strong>C<\/p>\n

2<\/dd>\n

H<\/p>\n

4<\/dd>\n

v\u00e0 C<\/p>\n

3<\/dd>\n

H<\/p>\n

6<\/dd>\n

; 75%               D.<\/strong>C<\/p>\n

3<\/dd>\n

H<\/p>\n

6<\/dd>\n

v\u00e0 C<\/p>\n

4<\/dd>\n

H<\/p>\n

8<\/dd>\n

; 75%<\/p>\n

C\u00e2u 46:<\/strong>M\u1ed9t h\u1ed7n h\u1ee3p X g\u1ed3m 2 este A, B \u0111\u01a1n ch\u1ee9c \u0111\u1ed3ng \u0111\u1eb3ng li\u00ean ti\u1ebfp, khi b\u1ecb x\u00e0 ph\u00f2ng ho\u00e1 cho ra 2 mu\u1ed1i c\u1ee7a axitcacboxylic v\u00e0 1 ancol. Th\u1ec3 t\u00edch dung d\u1ecbch NaOH 1M c\u1ea7n d\u00f9ng \u0111\u1ec3 x\u00e0 ph\u00f2ng ho\u00e1 este n\u00e0y l\u00e0 0,3 lit. X\u00e1c \u0111\u1ecbnh CTCT v\u00e0 s\u1ed1 mol m\u1ed7i este trong h\u1ed7n h\u1ee3p X. Bi\u1ebft r\u1eb1ng kh\u1ed1i l\u01b0\u1ee3ng m<\/p>\n

X<\/dd>\n

=23,6 gam v\u00e0 trong 2 axit A, B kh\u00f4ng c\u00f3 axit n\u00e0o cho ph\u1ea3n \u1ee9ng tr\u00e1ng g\u01b0\u01a1ng.<\/p>\n

A.<\/strong>0,1 mol CH<\/p>\n

3<\/dd>\n

COOCH<\/p>\n

3<\/dd>\n

v\u00e0 0,2mol CH<\/p>\n

3<\/dd>\n

COOC<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n<\/p>\n

B.<\/strong>0,2 molCH<\/p>\n

3<\/dd>\n

COOCH<\/p>\n

3<\/dd>\n

v\u00e0 0,1mol CH<\/p>\n

3<\/dd>\n

COOC<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n<\/p>\n

C.<\/strong>0,2 molCH<\/p>\n

3<\/dd>\n

COOCH<\/p>\n

3<\/dd>\n

v\u00e0 0,1mol C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

COOCH<\/p>\n

3<\/dd>\n<\/p>\n

D.<\/strong>0<\/p>\n

,<\/dd>\n

2mol HCOOCH<\/p>\n

3<\/dd>\n

v\u00e0 0,2 mol CH<\/p>\n

3<\/dd>\n

COOC<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n<\/p>\n

C\u00e2u 47:<\/strong> \u0110\u1ed1tch\u00e1y ho\u00e0n to\u00e0n m gam hidrocacbon X \u0111\u01b0\u1ee3c m gam H<\/p>\n

2<\/dd>\n

O. X m\u1ea5t m\u00e0u dung d\u1ecbch n\u01b0\u1edbc brom. T\u00ean g\u1ecdi c\u1ee7a X l\u00e0:<\/p>\n

A.<\/strong>Toluen                      B.<\/strong>Etylbenzen<\/p>\n

C.<\/strong>Benzen                     D.<\/strong>Vinylbenzen<\/p>\n

C\u00e2u 48:<\/strong>Trong ch\u01b0\u01a1ng tr\u00ecnh VTV \u0111\u1eb7c bi\u1ec7t v\u1ec1 \u0111\u1ed9ng S\u01a1n \u0110oong c\u00f3 n\u00f3i v\u1ec1 nh\u1eefng vi\u00ean \u201cng\u1ecdc trai hang \u0111\u1ed9ng\u201d l\u00e0 do h\u00ecnh th\u00e0nh t\u1eeb qu\u00e1 tr\u00ecnh n\u00e0o sau \u0111\u00e2y<\/p>\n

<\/p>\n

A.<\/strong>S\u1ef1 h\u00ecnh th\u00e0nh th\u1ea1ch nh\u0169 trong c\u00e1c hang \u0111\u1ed9ng \u0111\u00e1 v\u00f4i.<\/p>\n

B.<\/strong>Hi\u1ec7n t\u01b0\u1ee3ng x\u00e2m th\u1ef1c c\u1ee7a n\u01b0\u1edbc bi\u1ec3n c\u00e1ch \u0111\u00e2y h\u00e0ng tri\u1ec7u n\u0103m<\/p>\n

C.<\/strong>Hi\u1ec7n t\u01b0\u1ee3ng b\u00e0o m\u00f2n Cacbonat Canxi do n\u01b0\u1edbc m\u01b0a t\u1ea1o n\u00ean<\/p>\n

D.<\/strong>S\u1ef1 l\u1eafng \u0111\u1ecdng Cacbonat Canxi trong c\u00e1c hang \u0111\u1ed9ng \u0111\u00e1 v\u00f4i t\u1eeb c\u00e1c h\u1ea1t c\u00e1t.<\/p>\n

C\u00e2u 49:<\/strong>Khi nh\u1ecf t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 dd NaOH v\u00e0o dd AlCl<\/p>\n

3<\/dd>\n

, k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n tr\u00ean \u0111\u1ed3 th\u1ecb sau (s\u1ed1 li\u1ec7u t\u00ednh theo \u0111\u01a1n v\u1ecb mol). <\/p>\n

<\/p>\n

Gi\u00e1 tr\u1ecb c\u1ee7a x l\u00e0:<\/p>\n

A.<\/strong>0,45          B.<\/strong>0,54          C.<\/strong>0,42          D.<\/strong>0,51<\/p>\n

C\u00e2u 50:<\/strong>Th\u1ef1c hi\u1ec7n c\u00e1c ph\u1ea3n \u1ee9ng sau:<\/p>\n

(1)T\u00e1ch 1 ph\u00e2n t\u1eed hi\u0111ro t\u1eeb ph\u00e2n t\u1eed butan<\/p>\n

(2) Cho buta \u2013 1,3 \u2013 \u0111ien t\u00e1c d\u1ee5ng v\u1edbi dd Br<\/p>\n

2<\/dd>\n

\u1edf 40<\/p>\n

o<\/dd>\n

C (t\u1ec9 l\u1ec7 mol 1:1)<\/p>\n

(3) Cho 2,2 \u2013 \u0111imetyl butan t\u00e1c d\u1ee5ng v\u1edbi Cl<\/p>\n

2<\/dd>\n

(as t\u1ec9 l\u1ec7 mo<\/p>\n

l<\/dd>\n

1:1)<\/p>\n

(4) \u0110\u1ec1 hi\u0111rat h\u00f3a h\u1ed7n h\u1ee3p butan -1-ol v\u00e0 butan \u2013 2-ol.<\/p>\n

(5) Hi\u0111ro h\u00f3a h\u1ebft h\u1ed7n h\u1ee3p glucoz\u01a1 v\u00e0 fructoz\u01a1.<\/p>\n

(6) Cho toluen t\u00e1c d\u1ee5ng v\u1edbi Br<\/p>\n

2<\/dd>\n

( b\u1ed9t Fe, t<\/p>\n

o<\/dd>\n

C<\/dd>\n

, t\u1ec9 l\u1ec7 mol 1:1).<\/p>\n

(7) Cho but-1-en, vinyl axe<\/p>\n

t<\/dd>\n

ilen t\u00e1c d\u1ee5ng v\u1edbi H<\/p>\n

2<\/dd>\n

d\u01b0.<\/p>\n

(8) Hi\u0111rat h\u00f3a isobutilen.<\/p>\n

C\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. S\u1ed1 tr\u01b0\u1eddng h\u1ee3p t\u1ea1o ra hai s\u1ea3n ph\u1ea9m (kh\u00f4ng t\u00ednh \u0111\u1ed3ng ph\u00e2n cis – trans) l\u00e0:<\/p>\n

A.<\/strong>5           B.<\/strong>3           C.<\/strong>6           D.<\/strong>4<\/p>\n

\u0110\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed  THPT Qu\u1ed1c gia m\u00f4n H\u00f3a n\u0103m 2016- \u0111\u1ec1 s\u1ed1 8<\/strong><\/span><\/p>\n

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L\u1eddi gi\u00e0i chi ti\u1ebft c\u00e1c em xem trong file \u0111\u00ednh k\u00e8m<\/p>\n<\/p>\n

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T\u1ea5t c\u1ea3 n\u1ed9i dung b\u00e0i vi\u1ebft. C\u00e1c em h\u00e3y xem th\u00eam v\u00e0 t\u1ea3i file chi ti\u1ebft t\u1ea1i \u0111\u00e2y:<\/strong>Download<\/p>\n","protected":false},"excerpt":{"rendered":"

Tham kh\u1ea3o \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia n\u0103m 2016 m\u00f4n h\u00f3a \u0111\u1ec1 s\u1ed1 8 c\u00f3 \u0111\u00e1p \u00e1n v\u00e0 l\u1eddi gi\u1ea3i chi ti\u1ebft gi\u00fap c\u00e1c em th\u1eed s\u1ee9c v\u1edbi k\u1ef3 thi s\u1eafp t\u1edbi. Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a Cho bi\u1ebft nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1: H = 1; […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[24],"tags":[],"yoast_head":"\n