C\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n thi th\u1eed THPT Qu\u1ed1c gia n\u0103m 2016 m\u00f4n H\u00f3a \u0111\u1ec1 s\u1ed1 6, s\u1ebd gi\u00fap c\u00e1c em tham kh\u1ea3o c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp c\u00f3 trong k\u00ec thi n\u00e0y<\/strong><\/h2>\n

\n

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

C\u00e2u 1<\/strong>. Trung ho\u00e0 5,48 gam h\u1ed7n h\u1ee3p g\u1ed3m axit axetic, phenol v\u00e0 axit benzoic, c\u1ea7n d\u00f9ng 600 ml dd NaOH 0,1M. C\u00f4 c\u1ea1n dd sau ph\u1ea3n \u1ee9ng, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p ch\u1ea5t r\u1eafn khan c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng l\u00e0:<\/p>\n

  A<\/strong>. 6,80 gam          B<\/strong>. 8,64 gam           C<\/strong>. 4,90 gam          D<\/strong>. 6,84 gam<\/p>\n

C\u00e2u 2.<\/strong>Khi crackinh ho\u00e0n to\u00e0n m\u1ed9t th\u1ec3 t\u00edch ankan X thu \u0111\u01b0\u1ee3c ba th\u1ec3 t\u00edch h\u1ed7n h\u1ee3p Y (c\u00e1c th\u1ec3 t\u00edch kh\u00ed \u0111o \u1edf c\u00f9ng \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t); t\u1ec9 kh\u1ed1i c\u1ee7a Y so v\u1edbi H<\/p>\n

2<\/dd>\n

b\u1eb1ng 12. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a X l\u00e0:<\/p>\n

  A<\/strong>. C<\/p>\n

6<\/dd>\n

H<\/p>\n

14<\/dd>\n

             B<\/strong>. C<\/p>\n

5<\/dd>\n

H<\/p>\n

12<\/dd>\n

            C<\/strong>. C<\/p>\n

3<\/dd>\n

H<\/p>\n

8<\/dd>\n

            D<\/strong>. C<\/p>\n

4<\/dd>\n

H<\/p>\n

10<\/dd>\n<\/p>\n

C\u00e2u <\/span>3<\/strong>. S\u1ed1 h\u1ee3p ch\u1ea5t l\u00e0 \u0111\u1ed3ng ph\u00e2n c\u1ea5u t\u1ea1o, c\u00f3 c\u00f9ng c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed C<\/p>\n

3<\/dd>\n

H<\/p>\n

6<\/dd>\n

O<\/p>\n

2<\/dd>\n

, t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi dd NaOH nh\u01b0ng kh\u00f4ng t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Na l\u00e0:<\/p>\n

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

C\u00e2u <\/span>4<\/strong>. H\u1ed7n h\u1ee3p X g\u1ed3m axit glutamic v\u00e0 lysin. Bi\u1ebft:<\/p>\n

– Cho m gam X ph\u1ea3n \u1ee9ng v\u1eeba \u0111\u1ee7 v\u1edbi V lit dung d\u1ecbch HCl 1M.<\/p>\n

– Cho m gam X ph\u1ea3n \u1ee9ng v\u1eeba \u0111\u1ee7 v\u1edbi V\/2 lit dung d\u1ecbch NaOH 2M. Ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a axit glutamic trong X l\u00e0:<\/p>\n

  A<\/strong>. 33,48%                 B<\/strong>. 35,08%                  C<\/strong>. 50,17%                    D<\/strong>. 66,81%<\/p>\n

C\u00e2u <\/span>5<\/strong>. H\u1ed7n h\u1ee3p g\u1ed3m hi\u0111rocacbon X v\u00e0 oxi c\u00f3 t\u1ec9 l\u1ec7 s\u1ed1 mol t\u01b0\u01a1ng \u1ee9ng l\u00e0 1:10. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n h\u1ed7n h\u1ee3p tr\u00ean thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed Y. Cho Y qua dd H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

\u0111\u1eb7c, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed Z c\u00f3 t\u1ec9 kh\u1ed1i \u0111\u1ed1i v\u1edbi hi\u0111ro b\u1eb1ng 19. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a X l\u00e0:<\/p>\n

  A<\/strong>. C<\/p>\n

4<\/dd>\n

H<\/p>\n

8<\/dd>\n

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

3<\/dd>\n

H<\/p>\n

8<\/dd>\n

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

3<\/dd>\n

H<\/p>\n

6<\/dd>\n

            D<\/strong>. C<\/p>\n

3<\/dd>\n

H<\/p>\n

4<\/dd>\n<\/p>\n

C\u00e2u <\/span>6<\/strong>. H\u1ed7n h\u1ee3p X g\u1ed3m hai este no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m\u1ed9t l\u01b0\u1ee3ng X c\u1ea7n d\u00f9ng v\u1eeba \u0111\u1ee7 3,976 l\u00edt kh\u00ed O<\/p>\n

2<\/dd>\n

 (\u1edf \u0111ktc), thu \u0111\u01b0\u1ee3c 6,38 gam CO<\/p>\n

2<\/dd>\n

. M\u1eb7t kh\u00e1c, X t\u00e1c d\u1ee5ng v\u1edbi dd NaOH, thu \u0111\u01b0\u1ee3c m\u1ed9t mu\u1ed1i v\u00e0 hai ancol l\u00e0 \u0111\u1ed3ng \u0111\u1eb3ng k\u1ebf ti\u1ebfp. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a hai este trong X l\u00e0:<\/p>\n

  A<\/strong>. C<\/p>\n

3<\/dd>\n

H<\/p>\n

4<\/dd>\n

O<\/p>\n

2<\/dd>\n

  v\u00e0 C<\/p>\n

4<\/dd>\n

H<\/p>\n

6<\/dd>\n

O<\/p>\n

2<\/dd>\n

     B<\/strong>. C<\/p>\n

3<\/dd>\n

H<\/p>\n

6<\/dd>\n

O<\/p>\n

2<\/dd>\n

  v\u00e0 C<\/p>\n

4<\/dd>\n

H<\/p>\n

8<\/dd>\n

O<\/p>\n

2<\/dd>\n

   <\/p>\n

    C<\/strong>. C<\/p>\n

2<\/dd>\n

H<\/p>\n

4<\/dd>\n

O<\/p>\n

2<\/dd>\n

  v\u00e0 C<\/p>\n

3<\/dd>\n

H<\/p>\n

6<\/dd>\n

O<\/p>\n

2<\/dd>\n

    D<\/strong>. C<\/p>\n

2<\/dd>\n

H<\/p>\n

4<\/dd>\n

O<\/p>\n

2<\/dd>\n

  v\u00e0 C<\/p>\n

5<\/dd>\n

H<\/p>\n

10<\/dd>\n

O<\/p>\n

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

C\u00e2u <\/span>7<\/strong>. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 0,1 mol m\u1ed9t axit cacboxylic \u0111\u01a1n ch\u1ee9c, c\u1ea7n v\u1eeba \u0111\u1ee7 V l\u00edt O<\/p>\n

2<\/dd>\n

  (\u1edf \u0111ktc), thu \u0111\u01b0\u1ee3c 0,3 mol CO<\/p>\n

2<\/dd>\n

  v\u00e0 0,2 mol H<\/p>\n

2<\/dd>\n

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

  A<\/strong>. 8,96             B.<\/strong>4,48            C<\/strong>. 11,2             D<\/strong>. 6,72<\/p>\n

C\u00e2u <\/span>8<\/strong>. T\u1ed5ng s\u1ed1 h\u1ea1t proton, n\u01a1tron, electron c\u1ee7a nguy\u00ean t\u1eed nguy\u00ean t\u1ed1  X thu\u1ed9c nh\u00f3m VIIA l\u00e0 28. Nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a nguy\u00ean t\u1eed nguy\u00ean t\u1ed1 X l\u00e0:  <\/p>\n

   A.<\/strong>21               B. 18             C<\/strong>. 20              D.<\/strong>19<\/p>\n

C\u00e2u <\/span>9<\/strong>. Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang?<\/p>\n

  A<\/strong>. Poli(etylen terephtalat) \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng ph\u1ea3n \u1ee9ng tr\u00f9ng ng\u01b0ng c\u00e1c monome t\u01b0\u01a1ng \u1ee9ng<\/p>\n

  B.<\/strong>Tr\u00f9ng h\u1ee3p stiren thu \u0111\u01b0\u1ee3c poli(phenol-foman\u0111ehit)<\/p>\n

  C<\/strong>. T\u01a1 visco l\u00e0 t\u01a1 t\u1ed5ng h\u1ee3p<\/p>\n

   D<\/strong>. Tr\u00f9ng ng\u01b0ng buta-1,3-\u0111ien v\u1edbi acrilonitrin c\u00f3 x\u00fac t\u00e1c Na \u0111\u01b0\u1ee3c cao su buna-N<\/p>\n

C\u00e2u <\/span>10<\/strong>. Cho 50ml dd glucoz\u01a1  ch\u01b0a r\u00f5 n\u1ed3ng \u0111\u1ed9 t\u00e1c d\u1ee5ng v\u1edbi m\u1ed9t  l\u01b0\u1ee3ng d\u01b0 AgNO<\/p>\n

3<\/dd>\n

  trong dd NH<\/p>\n

3<\/dd>\n

thu \u0111\u01b0\u1ee3c 2,16 gam Ag k\u1ebft t\u1ee7a. N\u1ed3ng \u0111\u1ed9 mol\/l c\u1ee7a dd glucoz\u01a1 \u0111\u00e3 d\u00f9ng l\u00e0:<\/p>\n

  A<\/strong>. 0,20M            B<\/strong>. 0,01M             C. 0,10M            D<\/strong>. 0,02M<\/p>\n

C\u00e2u <\/span>11<\/strong>. Cho kh\u00ed CO (d\u01b0) \u0111i v\u00e0o \u1ed1ng s\u1ee9 nung n\u00f3ng \u0111\u1ef1ng h\u1ed7n h\u1ee3p X g\u1ed3m Al<\/p>\n

2<\/dd>\n

O<\/p>\n

3<\/dd>\n

, MgO, Fe<\/p>\n

3<\/dd>\n

O<\/p>\n

4<\/dd>\n

, CuO thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn Y. Cho Y v\u00e0o dd NaOH (d\u01b0), khu\u1ea5y k\u0129, th\u1ea5y c\u00f2n l\u1ea1i ph\u1ea7n kh\u00f4ng tan Z. Gi\u1ea3 s\u1eed c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. Ph\u1ea7n kh\u00f4ng tan Z g\u1ed3m:<\/p>\n

  A.<\/strong>Mg, Al, Fe, Cu            B<\/strong>. MgO, Fe<\/p>\n

3<\/dd>\n

O<\/p>\n

4<\/dd>\n

, Cu          C<\/strong>. Mg, Fe, Cu         D<\/strong>. MgO, Fe, Cu<\/p>\n

C\u00e2u <\/span>12<\/strong>. Cho 5 gam b\u1ed9t Mg v\u00e0o dung d\u1ecbch h\u1ed7n h\u1ee3p KNO<\/p>\n

3<\/dd>\n

v\u00e0 H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

, \u0111un nh\u1eb9, trong \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p, \u0111\u1ebfn khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c dung d\u1ecbch A ch\u1ee9a m gam mu\u1ed1i; 1,792 l\u00edt h\u1ed7n h\u1ee3p kh\u00ed B ( \u0111ktc) g\u1ed3m hai kh\u00ed kh\u00f4ng m\u00e0u, trong \u0111\u00f3 c\u00f3 m\u1ed9t kh\u00ed h\u00f3a n\u00e2u ngo\u00e0i kh\u00f4ng kh\u00ed v\u00e0 c\u00f2n l\u1ea1i 0,44 gam ch\u1ea5t r\u1eafn kh\u00f4ng tan. Bi\u1ebft t\u1ec9 kh\u1ed1i h\u01a1i c\u1ee7a B \u0111\u1ed1i v\u1edbi H<\/p>\n

2<\/dd>\n

l\u00e0 11,5. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0:<\/p>\n

  A.<\/strong>27,96             B<\/strong>. 29,34         C<\/strong>. 31,08           D<\/strong>. 36,04<\/p>\n

C\u00e2u <\/span>13<\/strong>. Cho c\u00e1c ch\u1ea5t: xiclobutan, 2-metylpropen, but-1-en, cis-but-2-en, 2-metylbut-2-en. D\u00e3y g\u1ed3m c\u00e1c ch\u1ea5t sau khi ph\u1ea3n \u1ee9ng v\u1edbi H<\/p>\n

2<\/dd>\n

(d\u01b0, x\u00fac t\u00e1c Ni, to), cho c\u00f9ng m\u1ed9t s\u1ea3n ph\u1ea9m l\u00e0:<\/p>\n

  A<\/strong>. xiclobutan, 2-metylbut-2-en v\u00e0 but-1-en          B<\/strong>. xiclobutan, cis-but-2-en v\u00e0 but-1-en<\/p>\n

  C<\/strong>. 2-metylpropen, cis-but-2-en v\u00e0 xiclobutan         D.<\/strong>but-1-en, 2-metylpropen v\u00e0 cis-but-2-en<\/p>\n

C\u00e2u <\/span>14<\/strong>. Cho dung d\u1ecbch AgNO<\/p>\n

3<\/dd>\n

t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch h\u1ed7n h\u1ee3p c\u00f3 h\u00f2a tan 12,5 gam hai mu\u1ed1i KCl v\u00e0 KBr thu \u0111\u01b0\u1ee3c 20,78 gam h\u1ed7n h\u1ee3p AgCl v\u00e0 AgBr . H\u00e3y x\u00e1c \u0111\u1ecbnh s\u1ed1 mol h\u1ed7n h\u1ee3p \u0111\u1ea7u:<\/p>\n

  A.<\/strong>0,15 mol              B<\/strong>. 0,12 mol                   C<\/strong>. 0,13 mol               D.<\/strong>0,14 mol<\/p>\n

C\u00e2u <\/span>15<\/strong>. Cho c\u00e1c ch\u1ea5t: O<\/p>\n

2<\/dd>\n

(1),CO<\/p>\n

2<\/dd>\n

(2), H<\/p>\n

2<\/dd>\n

(3), Fe<\/p>\n

2<\/dd>\n

O<\/p>\n

3<\/dd>\n

(4), SiO<\/p>\n

2<\/dd>\n

(5), HCl (6), CaO (7), H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4 \u0111\u1eb7c<\/dd>\n

(8), HNO<\/p>\n

3 \u0111\u1eb7c<\/dd>\n

(9), H<\/p>\n

2<\/dd>\n

O (10), KCl (11), KMnO<\/p>\n

4<\/dd>\n

(12).Trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p Cacbon  ph\u1ea3n \u1ee9ng tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1ee3c v\u1edbi bao nhi\u00eau ch\u1ea5t?<\/p>\n

  A.<\/strong>11              B<\/strong>. 9               C<\/strong>. 10              D<\/strong>. 12<\/p>\n

C\u00e2u <\/span>16<\/strong>. Ph\u00e1t bi\u1ec3u kh\u00f4ng \u0111\u00fang l\u00e0:<\/p>\n

  A<\/strong>. Dd fructoz\u01a1 ho\u00e0 tan \u0111\u01b0\u1ee3c Cu(OH)<\/p>\n

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

  B<\/strong>. Dd mantoz\u01a1 t\u00e1c d\u1ee5ng v\u1edbi Cu(OH)<\/p>\n

2<\/dd>\n

  khi \u0111un n\u00f3ng cho k\u1ebft t\u1ee7a Cu<\/p>\n

2<\/dd>\n

O<\/p>\n

  C<\/strong>. Th\u1ee7y ph\u00e2n (x\u00fac t\u00e1c H<\/p>\n

+<\/dd>\n

, t<\/p>\n

o<\/dd>\n

) saccaroz\u01a1 c\u0169ng nh\u01b0 mantoz\u01a1 \u0111\u1ec1u cho c\u00f9ng m\u1ed9t monosaccarit<\/p>\n

  D<\/strong>. S\u1ea3n ph\u1ea9m th\u1ee7y ph\u00e2n xenluloz\u01a1 (x\u00fac t\u00e1c H<\/p>\n

+<\/dd>\n

, t<\/p>\n

o<\/dd>\n

) c\u00f3 th\u1ec3 tham gia ph\u1ea3n \u1ee9ng tr\u00e1ng g\u01b0\u01a1ng<\/p>\n

C\u00e2u <\/span>17<\/strong>. Cho ba dd c\u00f3 c\u00f9ng gi\u00e1 tr\u1ecb pH, c\u00e1c dd \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 n\u1ed3ng \u0111\u1ed9 mol t\u0103ng d\u1ea7n l\u00e0:<\/p>\n

  <\/p>\n

C\u00e2u <\/span>18<\/strong>. H\u1ee3p ch\u1ea5t X c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed tr\u00f9ng v\u1edbi c\u00f4ng th\u1ee9c \u0111\u01a1n gi\u1ea3n nh\u1ea5t, v\u1eeba t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi axit v\u1eeba t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi ki\u1ec1m trong \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p. Trong ph\u00e2n t\u1eed X, th\u00e0nh ph\u1ea7n ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 C, H, N l\u1ea7n l\u01b0\u1ee3t b\u1eb1ng 40,449%; 7,865% v\u00e0 15,73%; c\u00f2n l\u1ea1i l\u00e0 oxi. Khi cho 4,45 gam X ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n v\u1edbi m\u1ed9t l\u01b0\u1ee3ng v\u1eeba \u0111\u1ee7 dd NaOH (\u0111un n\u00f3ng) thu \u0111\u01b0\u1ee3c 4,85 gam mu\u1ed1i khan. C\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o thu g\u1ecdn c\u1ee7a X l\u00e0:<\/p>\n

  A.<\/strong>H<\/p>\n

2<\/dd>\n

NC<\/p>\n

2<\/dd>\n

H<\/p>\n

4<\/dd>\n

COOH     B<\/strong>. H<\/p>\n

2<\/dd>\n

NCOO-CH<\/p>\n

2<\/dd>\n

CH<\/p>\n

3<\/dd>\n

   C.<\/strong>CH<\/p>\n

2<\/dd>\n

=CHCOONH<\/p>\n

4<\/dd>\n

      D<\/strong>. H<\/p>\n

2<\/dd>\n

NCH<\/p>\n

2<\/dd>\n

COO-CH<\/p>\n

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

C\u00e2u<\/span>19<\/strong>. Dung d\u1ecbch n\u01b0\u1edbc c\u1ee7a ch\u1ea5t A l\u00e0m qu\u1ef3 t\u00edm h\u00f3a xanh, c\u00f2n dd n\u01b0\u1edbc c\u1ee7a mu\u1ed1i B kh\u00f4ng l\u00e0m qu\u1ef3 \u0111\u1ed5i m\u00e0u. Tr\u1ed9n l\u1eabn hai dd tr\u00ean v\u00e0o nhau th\u00ec xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a. A v\u00e0 B l\u00e0:<\/p>\n

 <\/p>\n

C\u00e2u <\/span>20<\/strong>. H\u1ed7n h\u1ee3p X g\u1ed3m Na v\u00e0 Al. Cho m gam X v\u00e0o m\u1ed9t l\u01b0\u1ee3ng d\u01b0 n\u01b0\u1edbc th\u00ec tho\u00e1t ra V l\u00edt kh\u00ed. N\u1ebfu c\u0169ng cho m gam X v\u00e0o dd NaOH (d\u01b0) th\u00ec \u0111\u01b0\u1ee3c 1,75V l\u00edt kh\u00ed. Th\u00e0nh ph\u1ea7n ph\u1ea7n tr\u0103m theo kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a Na trong X l\u00e0 (bi\u1ebft c\u00e1c th\u1ec3 t\u00edch kh\u00ed \u0111o trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n)<\/p>\n

  A.<\/strong>39,87%                    B<\/strong>. 29,87%                       C.<\/strong>49,87%            D.<\/strong>77,31%<\/p>\n

C\u00e2u <\/span>2<\/strong>1. \u0110un n\u00f3ng h\u1ed7n h\u1ee3p g\u1ed3m  1 mol HCOOH, 1 mol CH<\/p>\n

3<\/dd>\n

COOH v\u00e0 2 mol C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

OH \u1edf t<\/p>\n

o<\/dd>\n

C (trong b\u00ecnh k\u00edn dung t\u00edch kh\u00f4ng \u0111\u1ed5i) \u0111\u1ebfn tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng th\u00ec thu \u0111\u01b0\u1ee3c 0,6 mol HCOO C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

v\u00e0 0,4 mol CH<\/p>\n

3<\/dd>\n

COOC<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

. N\u1ebfu \u0111un n\u00f3ng h\u1ed7n h\u1ee3p g\u1ed3m 1 mol HCOOH, 4 mol CH<\/p>\n

3<\/dd>\n

COOH v\u00e0 a mol C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

OH \u1edf \u0111i\u1ec1u ki\u1ec7n nh\u01b0 tr\u00ean \u0111\u1ebfn tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng th\u00ec thu \u0111\u01b0\u1ee3c 0,8 mol HCOO C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

. Gi\u00e1 tr\u1ecb a l\u00e0?<\/p>\n

  A<\/strong>. 12,88 mol              B<\/strong>. 9,97 mol                  C<\/strong>. 12,32 mol         D<\/strong>. 6,64 mol<\/p>\n

C\u00e2u <\/span>22.<\/strong>Cho c\u00e1c ch\u1ea5t c\u00f3 c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o nh\u01b0 sau: HOCH<\/p>\n

2<\/dd>\n

-CH<\/p>\n

2<\/dd>\n

OH (X); CH<\/p>\n

2<\/dd>\n

-CH<\/p>\n

2<\/dd>\n

-CH<\/p>\n

2<\/dd>\n

OH (Y);<\/p>\n

HOCH<\/p>\n

2<\/dd>\n

-CHOH-CH<\/p>\n

2<\/dd>\n

OH (Z); CH<\/p>\n

3<\/dd>\n

-CH<\/p>\n

2<\/dd>\n

-O-CH<\/p>\n

2<\/dd>\n

-CH<\/p>\n

3<\/dd>\n

(R); CH<\/p>\n

3<\/dd>\n

-CHOH-CH<\/p>\n

2<\/dd>\n

OH (T). Nh\u1eefng ch\u1ea5t t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Cu(OH)<\/p>\n

2<\/dd>\n

t\u1ea1o th\u00e0nh dd m\u00e0u xanh lam l\u00e0:<\/p>\n

  A<\/strong>. Z, R, T                 B<\/strong>. X, Z, T            C<\/strong>. X, Y, Z, T          D<\/strong>. X, Y, R, T<\/p>\n

C\u00e2u <\/span>23<\/strong>. Cho 1 mol amino axit X ph\u1ea3n \u1ee9ng v\u1edbi dd HCl (d\u01b0), thu \u0111\u01b0\u1ee3c m<\/p>\n

1<\/dd>\n

gam mu\u1ed1i Y. C\u0169ng 1 mol amino axit X ph\u1ea3n \u1ee9ng v\u1edbi dd NaOH (d\u01b0), thu \u0111\u01b0\u1ee3c m<\/p>\n

2<\/dd>\n

gam mu\u1ed1i Z. Bi\u1ebft m<\/p>\n

2<\/dd>\n

– m<\/p>\n

1<\/dd>\n

= 7,5. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a X l\u00e0:<\/p>\n

  A.<\/strong>C<\/p>\n

4<\/dd>\n

H<\/p>\n

8<\/dd>\n

O<\/p>\n

4<\/dd>\n

N<\/p>\n

2<\/dd>\n

          B.<\/strong>C<\/p>\n

4<\/dd>\n

H<\/p>\n

10<\/dd>\n

O<\/p>\n

2<\/dd>\n

N<\/p>\n

2<\/dd>\n

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

5<\/dd>\n

H<\/p>\n

11<\/dd>\n

O<\/p>\n

2<\/dd>\n

N             D.<\/strong>C<\/p>\n

5<\/dd>\n

H<\/p>\n

9<\/dd>\n

O<\/p>\n

4<\/dd>\n

N<\/p>\n

C\u00e2u <\/span>24<\/strong>. Ho\u00e0 tan ho\u00e0n to\u00e0n 24,4 gam h\u1ed7n h\u1ee3p g\u1ed3m FeCl<\/p>\n

2<\/dd>\n

 v\u00e0 NaCl (c\u00f3 t\u1ec9 l\u1ec7 s\u1ed1 mol t\u01b0\u01a1ng \u1ee9ng l\u00e0 1 : 2) v\u00e0o m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc (d\u01b0), thu \u0111\u01b0\u1ee3c dd X. Cho dd AgNO<\/p>\n

3<\/dd>\n

  (d\u01b0) v\u00e0o dd X, sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n sinh ra m gam ch\u1ea5t r\u1eafn. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0:<\/p>\n

  A.<\/strong>68,2             B.<\/strong>57,4            C<\/strong>. 10,8             D.<\/strong>28,7<\/p>\n

C\u00e2u <\/span>25<\/strong>. Oxi h\u00f3a 0,16 mol m\u1ed9t ancol \u0111\u01a1n ch\u1ee9c, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p X g\u1ed3m 1 axit cacboxylic, 1 andehit, ancol d\u01b0 v\u00e0 H<\/p>\n

2<\/dd>\n

O. Ng\u01b0ng t\u1ee5 to\u00e0n b\u1ed9 X r\u1ed3i chia l\u00e0m 2 ph\u1ea7n b\u1eb1ng nhau. Ph\u1ea7n 1 cho t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi Na d\u01b0, thu \u0111\u01b0\u1ee3c 1,008 lit kh\u00ed H<\/p>\n

2<\/dd>\n

 (\u0111ktc). Ph\u1ea7n 2 cho ph\u1ea3n \u1ee9ng tr\u00e1ng b\u1ea1c ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c 19,44 gam Ag. Ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng ancol b\u1ecb oxi h\u00f3a l\u00e0:<\/p>\n

  A.<\/strong>15%             B<\/strong>. 62,5%           C<\/strong>. 40%                    b. 31,25%  <\/p>\n

          <\/p>\n

C\u00e2u <\/span>28<\/strong>. Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t \u0111o\u1ea1n m\u1ea1ch t\u01a1 nilon-6,6 l\u00e0 27346 \u0111vC v\u00e0 c\u1ee7a m\u1ed9t \u0111o\u1ea1n m\u1ea1ch t\u01a1 capron l\u00e0 17176 \u0111vC. S\u1ed1 l\u01b0\u1ee3ng m\u1eaft x\u00edch trong \u0111o\u1ea1n m\u1ea1ch nilon-6,6 v\u00e0 capron n\u00eau tr\u00ean l\u1ea7n l\u01b0\u1ee3t l\u00e0 :<\/p>\n

  A<\/strong>. 113 v\u00e0 152             B<\/strong>. 121 v\u00e0 152         C<\/strong>. 121 v\u00e0 114                D<\/strong>. 113 v\u00e0 114<\/p>\n

C\u00e2u <\/span>29<\/strong>. \u0110\u1ec3 ph\u00e2n bi\u1ec7t kh\u00ed oxi v\u00e0 ozon, c\u00f3 th\u1ec3 d\u00f9ng h\u00f3a ch\u1ea5t l\u00e0:<\/p>\n

   A.<\/strong>kh\u00ed hi\u0111ro            B.<\/strong>\u0111\u1ed3ng kim lo\u1ea1i           C.<\/strong>h\u1ed3 tinh b\u1ed9t                   D<\/strong>. dd KI v\u00e0 h\u1ed3 tinh b\u1ed9t<\/p>\n

C\u00e2u <\/span>30<\/strong>. Tr\u1ed9n  l\u1eabn 3 dd H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

0,1M, HNO<\/p>\n

3<\/dd>\n

0,2M v\u00e0 HCl 0,3M v\u1edbi nh\u1eefng  th\u1ec3  t\u00edch b\u1eb1ng nhau  thu \u0111\u01b0\u1ee3c dd A. L\u1ea5y 300 ml  dd A cho ph\u1ea3n \u1ee9ng  v\u1edbi V  l\u00edt dd B g\u1ed3m NaOH 0,2M v\u00e0 KOH 0,29M thu \u0111\u01b0\u1ee3c dd C c\u00f3 pH = 2. Gi\u00e1 tr\u1ecb V l\u00e0:<\/p>\n

  A.<\/strong>0,424 l\u00edt              B.<\/strong>0,214 l\u00edt          C<\/strong>. 0,414 l\u00edt          D.<\/strong>0,134 l\u00edt<\/p>\n

C\u00e2u <\/span>31<\/strong>. Dung d\u1ecbch n\u00e0o sau \u0111\u00e2y kh\u00f4ng th\u1ec3 ch\u1ee9a trong b\u00ecnh thu\u1ef7 tinh?<\/p>\n

  A<\/strong>. HF             B<\/strong>. H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

            C<\/strong>. HNO<\/p>\n

3<\/dd>\n

            D.<\/strong>HCl<\/p>\n

C\u00e2u <\/span>32.<\/strong>Nung n\u00f3ng 16,8 gam h\u1ed7n h\u1ee3p g\u1ed3m Au, Ag, Cu, Fe, Zn v\u1edbi m\u1ed9t l\u01b0\u1ee3ng d\u01b0 kh\u00ed O<\/p>\n

2<\/dd>\n

, \u0111\u1ebfn khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c 23,2 gam ch\u1ea5t r\u1eafn X. Th\u1ec3 t\u00edch dd HCl 2M v\u1eeba \u0111\u1ee7 \u0111\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi ch\u1ea5t r\u1eafn X l\u00e0:<\/p>\n

  A<\/strong>. 600 ml                  B<\/strong>. 200 ml            C<\/strong>. 800 ml            D<\/strong>. 400 ml<\/p>\n

C\u00e2u <\/span>33.<\/strong>Cho m gam Mg v\u00e0o dd ch\u1ee9a 0,12 mol FeCl<\/p>\n

3<\/dd>\n

. Sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c 3,36 gam ch\u1ea5t r\u1eafn. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0:<\/p>\n

  A<\/strong>. 5,04             B.<\/strong>2,88            C.<\/strong>4,32             D.<\/strong>2,16<\/p>\n

C\u00e2u <\/span>34<\/strong>. Ph\u00e1t bi\u1ec3u kh\u00f4ng \u0111\u00fang l\u00e0:<\/p>\n

  A<\/strong>. Phenol ph\u1ea3n \u1ee9ng v\u1edbi dd NaOH, l\u1ea5y mu\u1ed1i v\u1eeba t\u1ea1o ra cho t\u00e1c d\u1ee5ng v\u1edbi dd HCl l\u1ea1i thu \u0111\u01b0\u1ee3c phenol<\/p>\n

   B<\/strong>. Dung d\u1ecbch natri phenolat ph\u1ea3n \u1ee9ng v\u1edbi kh\u00ed CO<\/p>\n

2<\/dd>\n

, l\u1ea5y k\u1ebft t\u1ee7a v\u1eeba t\u1ea1o ra cho t\u00e1c d\u1ee5ng v\u1edbi dd NaOH l\u1ea1i thu \u0111\u01b0\u1ee3c natri phenolat<\/p>\n

  C<\/strong>. Anilin ph\u1ea3n \u1ee9ng v\u1edbi dd HCl, l\u1ea5y mu\u1ed1i v\u1eeba t\u1ea1o ra cho t\u00e1c d\u1ee5ng v\u1edbi dd NaOH l\u1ea1i thu \u0111\u01b0\u1ee3c anilin<\/p>\n

   b. Axit axetic ph\u1ea3n \u1ee9ng v\u1edbi dd NaOH, l\u1ea5y dd mu\u1ed1i v\u1eeba t\u1ea1o ra cho t\u00e1c d\u1ee5ng v\u1edbi kh\u00ed CO<\/p>\n

2<\/dd>\n

  l\u1ea1i thu \u0111\u01b0\u1ee3c axitaxetic<\/p>\n

C\u00e2u <\/span>35.<\/strong>H\u00f2a tan ho\u00e0n to\u00e0n 36 gam Mg b\u1eb1ng dd HNO<\/p>\n

3<\/dd>\n

thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t l\u00e0 NH<\/p>\n

4<\/dd>\n

NO<\/p>\n

3<\/dd>\n

. S\u1ed1 mol HNO<\/p>\n

3<\/dd>\n

t\u1ea1o mu\u1ed1i l\u00e0:               <\/p>\n

  A.<\/strong>3,750                          B<\/strong>. 4,500                            C.<\/strong>3,000                          D.<\/strong>3,375<\/p>\n

C\u00e2u <\/span>36.<\/strong>Cho c\u00e1c y\u1ebfu t\u1ed1 sau: (a) n\u1ed3ng \u0111\u1ed9 ch\u1ea5t;     (b) \u00e1p su\u1ea5t ;     (c) x\u00fac t\u00e1c;  <\/p>\n

             (d) nhi\u1ec7t \u0111\u1ed9 ;     (e) di\u1ec7n t\u00edch ti\u1ebfp x\u00fac .<\/p>\n

Nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng n\u00f3i chung l\u00e0:<\/p>\n

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

C\u00e2u <\/span>37<\/strong>. Th\u1ef1c hi\u1ec7n c\u00e1c th\u00ed nghi\u1ec7m sau:<\/p>\n

(I) Cho dd NaCl v\u00e0o dd KOH.       (II) Cho dd Na<\/p>\n

2<\/dd>\n

CO<\/p>\n

3<\/dd>\n

  v\u00e0o dd Ca(OH)<\/p>\n

2<\/dd>\n

.<\/p>\n

(III) Cho Cu(OH)<\/p>\n

2<\/dd>\n

  v\u00e0o dd NaNO<\/p>\n

3<\/dd>\n

.     (IV) \u0110i\u1ec7n ph\u00e2n dd NaCl v\u1edbi \u0111i\u1ec7n c\u1ef1c tr\u01a1, c\u00f3 m\u00e0ng ng\u0103n.  <\/p>\n

(V) S\u1ee5c kh\u00ed NH<\/p>\n

3<\/dd>\n

v\u00e0o dd Na<\/p>\n

2<\/dd>\n

CO<\/p>\n

3<\/dd>\n

.      (VI) Cho dd Na<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

  v\u00e0o dd Ba(OH)<\/p>\n

2<\/dd>\n

.<\/p>\n

C\u00e1c th\u00ed nghi\u1ec7m \u0111\u1ec1u \u0111i\u1ec1u ch\u1ebf \u0111\u01b0\u1ee3c NaOH l\u00e0:<\/p>\n

  A.<\/strong>II, IV v\u00e0 VI          B<\/strong>. I, II v\u00e0 III          C.<\/strong>II, V v\u00e0 VI      D.<\/strong>I, IV v\u00e0 V<\/p>\n

C\u00e2u <\/span>38<\/strong>. H\u1ed7n h\u1ee3p X g\u1ed3m hai ancol no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf, k\u1ebf ti\u1ebfp nhau trong d\u00e3y \u0111\u1ed3ng \u0111\u1eb3ng. Oxi ho\u00e1 ho\u00e0n to\u00e0n 0,2 mol h\u1ed7n h\u1ee3p X c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng m gam b\u1eb1ng CuO \u1edf nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p s\u1ea3n ph\u1ea9m h\u1eefu c\u01a1 Y. Cho Y t\u00e1c d\u1ee5ng v\u1edbi m\u1ed9t l\u01b0\u1ee3ng d\u01b0 dd AgNO<\/p>\n

3<\/dd>\n

  trong NH<\/p>\n

3<\/dd>\n

, thu \u0111\u01b0\u1ee3c 54 gam Ag. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0:  A<\/strong>. 8,5     B<\/strong>. 13,5     C.<\/strong>8,1       D.<\/strong>15,3<\/p>\n

C\u00e2u <\/span>39.<\/strong>Nh\u00fang m\u1ed9t l\u00e1 kim lo\u1ea1i M (ch\u1ec9 c\u00f3 ho\u00e1 tr\u1ecb hai trong h\u1ee3p ch\u1ea5t) c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 50 gam v\u00e0o 200 ml dd AgNO<\/p>\n

3<\/dd>\n

 1M cho \u0111\u1ebfn khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. L\u1ecdc dd, \u0111em c\u00f4 c\u1ea1n thu \u0111\u01b0\u1ee3c 18,8 gam mu\u1ed1i khan. Kim lo\u1ea1i M l\u00e0:<\/p>\n

  A<\/strong>. Zn              B<\/strong>. Mg              C<\/strong>. Fe              D<\/strong>. Cu<\/p>\n

C\u00e2u <\/span>40<\/strong>. C\u1ea5u h\u00ecnh electron c\u1ee7a ion X<\/p>\n

2+<\/dd>\n

 l\u00e0  1s<\/p>\n

2<\/dd>\n

2s<\/p>\n

2<\/dd>\n

2p<\/p>\n

6<\/dd>\n

3s<\/p>\n

2<\/dd>\n

3p<\/p>\n

6<\/dd>\n

3d<\/p>\n

6<\/dd>\n

. Trong b\u1ea3ng tu\u1ea7n ho\u00e0n c\u00e1c nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc, nguy\u00ean t\u1ed1 X thu\u1ed9c:<\/p>\n

  A.<\/strong>chu k\u00ec 4, nh\u00f3m VIIIB                 B<\/strong>. chu k\u00ec 4, nh\u00f3m IIA       <\/p>\n

  C.<\/strong>chu k\u00ec 3, nh\u00f3m VIIIB                 D<\/strong>. chu k\u00ec 4, nh\u00f3m VIIIA<\/p>\n

C\u00e2u <\/span>41<\/strong>. Cho h\u1ed7n h\u1ee3p b\u1ed9t Al, Fe v\u00e0o dd ch\u1ee9a Cu(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

  v\u00e0 AgNO<\/p>\n

3<\/dd>\n

. Sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p r\u1eafn g\u1ed3m ba kim lo\u1ea1i l\u00e0:<\/p>\n

  A.<\/strong>Al, Cu, Ag          B.<\/strong>Fe, Cu, Ag          C<\/strong>. Al, Fe, Cu                  D<\/strong>. Al, Fe, Ag<\/p>\n

C\u00e2u <\/span>42<\/strong>. Cho c\u00e1c ch\u1ea5t sau: phenol, glixerol, glucoz\u01a1, saccaroz\u01a1, mantoz\u01a1, fructoz\u01a1, benzan\u0111ehit,   an\u0111\u00eahit acrylic, axit axetic,   propanal, axit fomic, xenluloz\u01a1, etyl fomat, axetilen, vinylaxetilen. S\u1ed1 ch\u1ea5t tham gia ph\u1ea3n \u1ee9ng tr\u00e1ng g\u01b0\u01a1ng l\u00e0:<\/p>\n

  A.<\/strong>6 ch\u1ea5t             B.<\/strong>7 ch\u1ea5t            C<\/strong>. 8 ch\u1ea5t                        D<\/strong>. 9 ch\u1ea5t<\/p>\n

C\u00e2u <\/span>43<\/strong>. Cho ph\u1ea3n \u1ee9ng oxi h\u00f3a kh\u1eed gi\u1eefa Al v\u00e0 HNO<\/p>\n

3<\/dd>\n

t\u1ea1o s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t l\u00e0 N<\/p>\n

2<\/dd>\n

O . T\u1ec9 l\u1ec7 s\u1ed1 ph\u00e2n t\u1eed HNO<\/p>\n

3<\/dd>\n

t\u1ea1o mu\u1ed1i v\u1edbi s\u1ed1 ph\u00e2n t\u1eed HNO<\/p>\n

3<\/dd>\n

l\u00e0m ch\u1ea5t oxi h\u00f3a l\u00e0:<\/p>\n

  A<\/strong>. 1 : 6             B<\/strong>. 8 : 3               C<\/strong>. 4 : 1                          D<\/strong>. 5: 1<\/p>\n

C\u00e2u <\/span>44<\/strong>. Cho c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1:<\/p>\n

(1) ankan;  (2) ancol no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf;   (3) monoxicloankan;  (4) ete no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf;.   (5) anken;  (6) ancol kh\u00f4ng no (c\u00f3 m\u1ed9t li\u00ean k\u1ebft \u0111\u00f4i C=C), m\u1ea1ch h\u1edf;   (7) ankin;   (8) an\u0111ehit no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf;   (9) axit no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf;(10) axit kh\u00f4ng no (c\u00f3 m\u1ed9t li\u00ean k\u1ebft \u0111\u00f4i C=C), \u0111\u01a1n ch\u1ee9c.<\/p>\n

D\u00e3y g\u1ed3m c\u00e1c ch\u1ea5t khi \u0111\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n \u0111\u1ec1u cho s\u1ed1 mol CO<\/p>\n

2<\/dd>\n

 b\u1eb1ng s\u1ed1 mol H<\/p>\n

2<\/dd>\n

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

  A.<\/strong>(1), (3), (5), (6), (8)                    B<\/strong>. (3), (5), (6), (8), (9)<\/p>\n

   C<\/strong>. (3), (4), (6), (7), (10)                 D.<\/strong>(2), (3), (5), (7), (9)<\/p>\n

C\u00e2u <\/span>45. C\u00f3 c\u00e1c dd ri\u00eang bi\u1ec7t sau: C<\/p>\n

6<\/dd>\n

H<\/p>\n

5<\/dd>\n

NH<\/p>\n

3<\/dd>\n

Cl (phenylamoni clorua), NH<\/p>\n

2<\/dd>\n

– CH<\/p>\n

2<\/dd>\n

– CH<\/p>\n

2<\/dd>\n

– CH(NH<\/p>\n

2<\/dd>\n

) – COOH, ClNH<\/p>\n

3<\/dd>\n

– CH<\/p>\n

2<\/dd>\n

– COOH, HOOC – CH<\/p>\n

2<\/dd>\n

– CH<\/p>\n

2<\/dd>\n

– CH(NH<\/p>\n

2<\/dd>\n

) – COOH, NH<\/p>\n

2<\/dd>\n

– CH<\/p>\n

2<\/dd>\n

– COONa. S\u1ed1 l\u01b0\u1ee3ng c\u00e1c dd c\u00f3 pH < 7 l\u00e0:<\/p>\n

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

C\u00e2u <\/span>46<\/strong>. Cho c\u00e1c ch\u1ea5t d\u01b0\u1edbi \u0111\u00e2y: HNO<\/p>\n

3<\/dd>\n

, NaOH, Ag<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

, NaCl, H<\/p>\n

2<\/dd>\n

SO<\/p>\n

3<\/dd>\n

,CuSO<\/p>\n

4<\/dd>\n

, . C\u00e1c ch\u1ea5t \u0111i\u1ec7n li m\u1ea1nh l\u00e0:<\/p>\n

  A<\/strong>. Ag<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

, NaCl, CuSO<\/p>\n

4<\/dd>\n

, H\u00ad<\/p>\n

2<\/dd>\n

S                                   B<\/strong>. NaOH, Ag<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

, NaCl, H\u00ad<\/p>\n

2<\/dd>\n

SO<\/p>\n

3<\/dd>\n

,H\u00ad<\/p>\n

2<\/dd>\n

S.<\/p>\n

  C<\/strong>. NaCl, H<\/p>\n

2<\/dd>\n

SO<\/p>\n

3<\/dd>\n

, CuSO<\/p>\n

4<\/dd>\n

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

3<\/dd>\n

, NaOH, NaCl, CuSO<\/p>\n

4<\/dd>\n

, Ag<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n<\/p>\n

C\u00e2u <\/span>47.<\/strong>Cho 1,55 gam ph\u1ed1t pho ph\u1ea3n \u1ee9ng v\u1edbi 2,128 l\u00edt Cl<\/p>\n

2<\/dd>\n

( \u1edf \u0111ktc) thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p A g\u1ed3m PCl<\/p>\n

3<\/dd>\n

, PCl<\/p>\n

5<\/dd>\n

. Th\u1ee7y ph\u00e2n ho\u00e0n to\u00e0n A thu \u0111\u01b0\u1ee3c dung d\u1ecbch B, cho 200 gam dung d\u1ecbch NaOH 7% v\u00e0o B sau ph\u1ea3n \u1ee9ng c\u00f4 c\u1ea1n dung d\u1ecbch c\u00f2n l\u1ea1i m gam ch\u1ea5t r\u1eafn khan. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0:<\/p>\n

   A.<\/strong>19,775           B.<\/strong>19,235            C.<\/strong>18,175                  D<\/strong>. 18,835<\/p>\n

C\u00e2u <\/span>48.<\/strong>\u0110i\u1ec7n ph\u00e2n (v\u1edbi \u0111i\u1ec7n c\u1ef1c tr\u01a1)200 ml dung d\u1ecbch CuSO<\/p>\n

4<\/dd>\n

n\u1ed3ng \u0111\u1ed9 x M, sau m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y v\u1eabn c\u00f2n m\u00e0u xanh, c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng gi\u1ea3m 8 gam so v\u1edbi dung d\u1ecbch ban \u0111\u1ea7u. Cho 16,8 gam b\u1ed9t s\u1eaft v\u00e0o Y, sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c 12,4 gam kim lo\u1ea1i. Gi\u00e1 tr\u1ecb c\u1ee7a x l\u00e0:<\/p>\n

 A.<\/strong> 1,50             B.<\/strong>3,25            C.<\/strong>2,25             D.<\/strong>1,25<\/p>\n

C\u00e2u <\/span>49<\/strong>. H\u1ed7n h\u1ee3p X g\u1ed3m tripeptit A v\u00e0 tetrapeptit B \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o b\u1edfi glyxin v\u00e0 alanin. % kh\u1ed1i l\u01b0\u1ee3ng nit\u01a1 trong A v\u00e0 B theo th\u1ee9 t\u1ef1 l\u00e0 19,36% v\u00e0 19,44%. Th\u1ee7y ph\u00e2n ho\u00e0n 0,1 mol h\u1ed7n h\u1ee3p X b\u1eb1ng m\u1ed9t l\u01b0\u1ee3ng dung d\u1ecbch NaOH v\u1eeba \u0111\u1ee7, thu \u0111\u01b0\u1ee3c dd Y. C\u00f4 c\u1ea1n dung d\u1ecbch Y thu \u0111\u01b0\u1ee3c 36,34 gam h\u1ed7n h\u1ee3p mu\u1ed1i. T\u1ec9 l\u1ec7 mol gi\u1eefa A v\u00e0 B trong h\u1ed7n h\u1ee3p X l\u00e0:<\/p>\n

  A.<\/strong>7:3             B<\/strong>. 3:2              C<\/strong>. 2:3              D<\/strong>. 3:7<\/p>\n

C\u00e2u <\/span>50<\/strong>. Ho\u00e0 tan ho\u00e0n to\u00e0n m gam Cu trong dd HNO<\/p>\n

3<\/dd>\n

thu \u0111\u01b0\u1ee3c 1,12 l\u00edt h\u1ed7n h\u1ee3p kh\u00ed NO v\u00e0 NO<\/p>\n

2<\/dd>\n

(\u0111ktc) c\u00f3 t\u1ec9 kh\u1ed1i h\u01a1i \u0111\u1ed1i v\u1edbi H<\/p>\n

2<\/dd>\n

l\u00e0 16,6. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0:<\/p>\n

   A.<\/strong>8,32             B<\/strong>. 4,16            C<\/strong>. 3,90             D<\/strong>. 6,40<\/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 6<\/strong><\/span><\/p>\n

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

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

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":"

C\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n thi th\u1eed THPT Qu\u1ed1c gia n\u0103m 2016 m\u00f4n H\u00f3a \u0111\u1ec1 s\u1ed1 6, s\u1ebd gi\u00fap c\u00e1c em tham kh\u1ea3o c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp c\u00f3 trong k\u00ec thi n\u00e0y Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a C\u00e2u 1. Trung ho\u00e0 5,48 gam h\u1ed7n h\u1ee3p g\u1ed3m axit axetic, phenol v\u00e0 […]<\/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