Tham kh\u1ea3o \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia n\u0103m 2016 m\u00f4n H
\n\u00f3a \u0111\u1ec1 s\u1ed1 9 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

c<\/strong>\u00e2u 1:<\/strong>c\u1ea5u h\u00ecnh electron c\u1ee7a nguy\u00ean t\u1eed Mg (z = 12) l\u00e0<\/p>\n

A. 1s<\/p>\n

2<\/dd>\n

2s<\/p>\n

2<\/dd>\n

2p<\/p>\n

6<\/dd>\n

3s<\/p>\n

2<\/dd>\n

B. 1s<\/p>\n

2<\/dd>\n

2s<\/p>\n

2<\/dd>\n

2p<\/p>\n

6<\/dd>\n

3s<\/p>\n

1<\/dd>\n

     C. 1s<\/p>\n

2<\/dd>\n

2s<\/p>\n

2<\/dd>\n

2p<\/p>\n

5<\/dd>\n

3s<\/p>\n

2<\/dd>\n

      D. 1s<\/p>\n

2<\/dd>\n

2s<\/p>\n

2<\/dd>\n

2p<\/p>\n

7<\/dd>\n

3s<\/p>\n

1<\/dd>\n<\/p>\n

C\u00e2u 2:<\/strong>Cho c\u00e1c ion kim lo\u1ea1i : Zn<\/p>\n

2+<\/dd>\n

; Sn<\/p>\n

2+<\/dd>\n

; Ni<\/p>\n

2+<\/dd>\n

; Fe<\/p>\n

2+<\/dd>\n

; Pb<\/p>\n

2+<\/dd>\n

. Th\u1ee9 t\u1ef1 t\u00ednh oxi h\u00f3a gi\u1ea3m d\u1ea7n l\u00e0<\/p>\n

A. Pb<\/p>\n

2+<\/dd>\n

> Sn<\/p>\n

2+<\/dd>\n

>Ni<\/p>\n

2+<\/dd>\n

> Fe<\/p>\n

2+<\/dd>\n

> Zn<\/p>\n

2+  <\/dd>\n

B. Sn<\/p>\n

2+<\/dd>\n

>Ni<\/p>\n

2+<\/dd>\n

>Zn<\/p>\n

2+<\/dd>\n

> Pb<\/p>\n

2+<\/dd>\n

> Fe<\/p>\n

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

C. Zn<\/p>\n

2+<\/dd>\n

> Sn<\/p>\n

2+<\/dd>\n

>Ni<\/p>\n

2+<\/dd>\n

>Fe<\/p>\n

2+<\/dd>\n

>Pb<\/p>\n

2+   <\/dd>\n

D.Pb<\/p>\n

2+<\/dd>\n

> Sn<\/p>\n

2+<\/dd>\n

> Fe<\/p>\n

2+<\/dd>\n

>Ni<\/p>\n

2+<\/dd>\n

> Zn<\/p>\n

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

C\u00e2u 3:<\/strong>Hai kim lo\u1ea1i c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ebf b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec7n ph\u00e2n dung d\u1ecbch l\u00e0<\/p>\n

A. Cu v\u00e0 Ag       B. Al v\u00e0 Mg       C. Na v\u00e0 Fe       D.Mg v\u00e0 Zn<\/p>\n

C\u00e2u 4:<\/strong>Ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc x\u1ea3y ra trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o d\u01b0\u1edbi \u0111\u00e2y kh\u00f4ng thu\u1ed9c lo\u1ea1i ph\u1ea3n \u1ee9ng nhi\u1ec7t nh\u00f4m?<\/p>\n

A. Al t\u00e1c d\u1ee5ng v\u1edbi axit H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

\u0111\u1eb7c, n\u00f3ng        B. Al t\u00e1c d\u1ee5ng v\u1edbi Fe<\/p>\n

2<\/dd>\n

O<\/p>\n

3<\/dd>\n

nung n\u00f3ng<\/p>\n

C. Al t\u00e1c d\u1ee5ng v\u1edbi Fe<\/p>\n

3<\/dd>\n

O<\/p>\n

4<\/dd>\n

nung n\u00f3ng          D. Al t\u00e1c d\u1ee5ng v\u1edbi CuO nung n\u00f3ng<\/p>\n

C\u00e2u 5:<\/strong>Vinyl axetat c\u00f3 c\u00f4ng th\u1ee9c l\u00e0<\/p>\n

A. CH<\/p>\n

3<\/dd>\n

COOCH=CH<\/p>\n

2<\/dd>\n

         B. CH<\/p>\n

3<\/dd>\n

COOCH<\/p>\n

3<\/dd>\n

    <\/p>\n

C. HCOOC<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

                  D. C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

COOC<\/p>\n

2<\/dd>\n

H<\/p>\n

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

C\u00e2u 6:<\/strong>Hai ch\u1ea5t l\u00e0 \u0111\u1ed3ng ph\u00e2n c\u1ee7a nhau l\u00e0:<\/p>\n

A. fructoz\u01a1 v\u00e0 glucoz\u01a1            B. saccaroz\u01a1 v\u00e0 glucoz\u01a1<\/p>\n

C. fructoz\u01a1 v\u00e0 saccaroz\u01a1          D. xenluloz\u01a1 v\u00e0 glucoz\u01a1<\/p>\n

C\u00e2u 7:<\/strong>C\u00e2u n\u00e0o sau \u0111\u00e2y kh\u00f4ng \u0111\u00fang?<\/p>\n

A. Dung d\u1ecbch amino axit kh\u00f4ng l\u00e0m gi\u1ea5y qu\u00ec \u0111\u1ed5i m\u00e0u.<\/p>\n

B. Th\u1ee7y ph\u00e2n protein b\u1eb1ng axit ho\u1eb7c ki\u1ec1m khi \u0111un n\u00f3ng s\u1ebd thu \u0111\u01b0\u1ee3c m\u1ed9t h\u1ed7n h\u1ee3p c\u00e1c \u03b1-amino axit<\/p>\n

C. Ph\u00e2n t\u1eed kh\u1ed1i c\u1ee7a m\u1ed9t amino axit (g\u1ed3m m\u1ed9t nh\u00f3m ch\u1ee9c NH<\/p>\n

2<\/dd>\n

v\u00e0 m\u1ed9t nh\u00f3m ch\u1ee9c COOH) lu\u00f4n lu\u00f4n l\u00e0 s\u1ed1 l\u1ebb.<\/p>\n

D. C\u00e1c amino axit \u0111\u1ec1u tan trong n\u01b0\u1edbc. <\/p>\n

C\u00e2u 8:<\/strong>Trong s\u1ed1 c\u00e1c polime sau: (1)poli(metyl metacrylat); (2)polistiren; (3)nilon-7;  (4)poli(etylen-terephtalat); (5)nilon-6,6 ; (6)poli(vinyl axetat). Polime l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a ph\u1ea3n \u1ee9ng tr\u00f9ng ng\u01b0ng l\u00e0<\/p>\n

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

C\u00e2u 9:<\/strong>Thu\u1ed1c th\u1eed \u0111\u1ec3 ph\u00e2n bi\u1ec7t 4 l\u1ecd ho\u00e1 ch\u1ea5t m\u1ea5t nh\u00e3n g\u1ed3m etylamin, anilin, glucoz\u01a1, glixerol l\u00e0: A. Cu(OH)<\/p>\n

2<\/dd>\n

, dung d\u1ecbch brom        B. Qu\u1ef3 t\u00edm, dung d\u1ecbch AgNO<\/p>\n

3<\/dd>\n

\/NH<\/p>\n

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

C. Dung d\u1ecbch AgNO<\/p>\n

3<\/dd>\n

\/NH<\/p>\n

3<\/dd>\n

, Cu(OH)<\/p>\n

2     <\/dd>\n

D. Dung d\u1ecbch brom, dung d\u1ecbch AgNO<\/p>\n

3<\/dd>\n

\/NH<\/p>\n

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

C\u00e2u 10:<\/strong>Sau b\u00e0i th\u1ef1c h\u00e0nh ho\u00e1 h\u1ecdc, trong m\u1ed9t s\u1ed1 ch\u1ea5t th\u1ea3i \u1edf d\u1ea1ng dung d\u1ecbch c\u00f3 ch\u1ee9a c\u00e1c ion: Cu<\/p>\n

2+<\/dd>\n

, Zn<\/p>\n

2+<\/dd>\n

, Fe<\/p>\n

3+<\/dd>\n

, Mg<\/p>\n

2+<\/dd>\n

, Al<\/p>\n

3+<\/dd>\n

. D\u00f9ng ch\u1ea5t n\u00e0o sau \u0111\u00e2y \u0111\u1ec3 x\u1eed l\u00ed s\u01a1 b\u1ed9 c\u00e1c ch\u1ea5t th\u1ea3i tr\u00ean?<\/p>\n

A. N\u01b0\u1edbc v\u00f4i d\u01b0      B. N\u01b0\u1edbc mu\u1ed1i \u0103n    C. Gi\u1ea5m \u0103n       D. Axit nitric<\/p>\n

c<\/strong>\u00e2u 11:<\/strong>nguy\u00ean t\u1ed1 X c\u00f3 thu\u1ed9c chu k\u00ec 3, nh\u00f3m VIA. s\u1ed1 \u0111\u01a1n v\u1ecb \u0111i\u1ec7n t\u00edch h\u1ea1t nh\u00e2n c\u1ee7a nguy\u00ean t\u1eed nguy\u00ean t\u1ed1 X l\u00e0:<\/p>\n

A. 16          B. 14          C. 8           D. 6<\/p>\n

C\u00e2u 12:<\/strong>Ch\u1ec9 d\u00f9ng dung d\u1ecbch KOH \u0111\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c c\u00e1c ch\u1ea5t ri\u00eang bi\u1ec7t trong nh\u00f3m n\u00e0o sau \u0111\u00e2y?<\/p>\n

A. Mg, Al<\/p>\n

2<\/dd>\n

O<\/p>\n

3<\/dd>\n

, Al    B. Mg, K , Na        C. Zn, Al<\/p>\n

2<\/dd>\n

O<\/p>\n

3<\/dd>\n

, Al     D. Fe, Mg, Al<\/p>\n

2<\/dd>\n

O<\/p>\n

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

C\u00e2u 13:<\/strong>Trong s\u1ed1 c\u00e1c ch\u1ea5t : FeCl<\/p>\n

2<\/dd>\n

, FeCl<\/p>\n

3<\/dd>\n

, Fe(NO<\/p>\n

\u00ad3<\/dd>\n

)<\/p>\n

3<\/dd>\n

, Fe(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

, FeSO<\/p>\n

4<\/dd>\n

, Fe<\/p>\n

2<\/dd>\n

(SO<\/p>\n

4<\/dd>\n

)<\/p>\n

3<\/dd>\n

.S\u1ed1 ch\u1ea5t c\u00f3 c\u1ea3 t\u00ednh oxi h\u00f3a v\u00e0 t\u00ednh kh\u1eed l\u00e0:<\/p>\n

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

C\u00e2u 14:<\/strong>Ph\u1ea3n \u1ee9ng n\u00e0o sau \u0111\u00e2y kh\u00f4ng \u0111\u00fang:<\/p>\n

A. 2Ag + Cu(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

\u2192 2AgNO<\/p>\n

3<\/dd>\n

+ Cu     B. 2Al + 3H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

\u2192 Al<\/p>\n

2<\/dd>\n

(SO<\/p>\n

4<\/dd>\n

)<\/p>\n

3<\/dd>\n

+ 3H<\/p>\n

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

C. 2K + 2H<\/p>\n

2<\/dd>\n

O \u2192 2KOH + H<\/p>\n

2<\/dd>\n

D.2Fe + 3Cl<\/p>\n

2<\/dd>\n

\u2192 2FeCl<\/p>\n

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

C\u00e2u 15:<\/strong>Ph\u00e2n bi\u1ec7t c\u00e1c dung d\u1ecbch trong c\u00e1c l\u1ecd m\u1ea5t nh\u00e3n sau: FeCl<\/p>\n

3<\/dd>\n

, NH<\/p>\n

4<\/dd>\n

Cl, (NH<\/p>\n

4<\/dd>\n

)<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

v\u00e0 NaCl b\u1eb1ng thu\u1ed1c th\u1eed:<\/p>\n

A. dd Ba(OH)<\/p>\n

2<\/dd>\n

B. dd NaOH      C. dd HCl        D. H<\/p>\n

2<\/dd>\n

O<\/p>\n

C\u00e2u 16:<\/strong>Thu\u1ef7 ph\u00e2n m\u1ed9t este X trong m\u00f4i tr\u01b0\u1eddng ki\u1ec1m, thu \u0111\u01b0\u1ee3c natri axetat v\u00e0 ancol etylic. C\u00f4ng th\u1ee9c c\u1ee7a este X l\u00e0<\/p>\n

A. CH<\/p>\n

3<\/dd>\n

COOC<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

    B. CH<\/p>\n

3<\/dd>\n

COOCH<\/p>\n

3<\/dd>\n

     C. C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

COOCH<\/p>\n

3<\/dd>\n

    D. C<\/p>\n

2<\/dd>\n

H<\/p>\n

3<\/dd>\n

COOC<\/p>\n

2<\/dd>\n

H<\/p>\n

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

C\u00e2u 17:<\/strong>Cho c\u00e1c dung d\u1ecbch: saccaroz\u01a1, glucoz\u01a1, an\u0111ehit axetic, glixerol, fructoz\u01a1 v\u00e0 metanol. S\u1ed1 l\u01b0\u1ee3ng dung d\u1ecbch c\u00f3 th\u1ec3 h\u00f2a tan Cu(OH)<\/p>\n

2<\/dd>\n

t\u1ea1o dung d\u1ecbch m\u00e0u xanh lam l\u00e0:<\/p>\n

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

<\/p>\n

C\u00e2u 19:<\/strong>Cho d\u00e3y c\u00e1c ch\u1ea5t: phenyl amoni clorua, xenluloz\u01a1, tinh b\u1ed9t, nilon-6, vinyl axetat, protein. S\u1ed1 ch\u1ea5t trong d\u00e3y t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi dung d\u1ecbch NaOH lo\u00e3ng, \u0111un n\u00f3ng l\u00e0<\/p>\n

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

C\u00e2u 20:<\/strong>Cho d\u00e3y c\u00e1c ch\u1ea5t sau: etyl axetat, glixerol, tristearin, glucoz\u01a1, saccaroz\u01a1, xenluloz\u01a1, glyxin. S\u1ed1 ch\u1ea5t trong d\u00e3y tham gia ph\u1ea3n \u1ee9ng thu\u1ef7 ph\u00e2n l\u00e0<\/p>\n

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

c<\/strong>\u00e2u 21:<\/strong>C\u00e2n b\u1eb1ng sau x\u1ea3y ra trong b\u00ecnh k\u00edn:<\/p>\n

CO<\/p>\n

2 (k) <\/dd>\n

+  H<\/p>\n

2 (k)<\/dd>\n

  < — >   CO<\/p>\n

(k)<\/dd>\n

  +  H<\/p>\n

2<\/dd>\n

O<\/p>\n

(h\u01a1i)<\/dd>\n

      <\/p>\n

y\u1ebfu t\u1ed1kh\u00f4ng<\/strong>l\u00e0m c\u00e2n b\u1eb1ng tr\u00ean chuy\u1ec3n d\u1ecbch l\u00e0:<\/p>\n

A. \u00e1p su\u1ea5t, ch\u1ea5t x\u00fac t\u00e1cB. ch\u1ec9 c\u00f3 ch\u1ea5t x\u00fac t\u00e1c <\/p>\n

C. n\u1ed3ng \u0111\u1ed9, ch\u1ea5t x\u00fac t\u00e1c             D. ch\u1ec9 c\u00f3 \u00e1p su\u1ea5t<\/p>\n

c<\/strong>\u00e2u 22:<\/strong>H\u1ed7n h\u1ee3p dung d\u1ecbch HNO<\/p>\n

3<\/dd>\n

0,04M v\u00e0 H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

0,03M (coi H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

\u0111i\u1ec7n li ho\u00e0n to\u00e0n) c\u00f3 pH l\u00e0:<\/p>\n

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

C\u00e2u 23:<\/strong>Trong c\u00e1c th\u00ed nghi\u1ec7m sau:        1. Cho SiO<\/p>\n

2<\/dd>\n

t\u00e1c d\u1ee5ng v\u1edbi axit HF            2. Cho kh\u00ed SO<\/p>\n

2<\/dd>\n

t\u00e1c d\u1ee5ng v\u1edbi kh\u00ed H<\/p>\n

2<\/dd>\n

S     3. Cho Si \u0111\u01a1n ch\u1ea5t t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH     4. Cho MnO<\/p>\n

2<\/dd>\n

t\u00e1c d\u1ee5ng v\u1edbi HCl \u0111\u1eb7c    5. Cho kh\u00ed O<\/p>\n

3<\/dd>\n

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

S\u1ed1 th\u00ed nghi\u1ec7m t\u1ea1o ra \u0111\u01a1n ch\u1ea5t l\u00e0:<\/p>\n

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

C\u00e2u 24:<\/strong>Cho t\u1eeb t\u1eeb dung d\u1ecbch ch\u1ee9a K<\/p>\n

2<\/dd>\n

Cr<\/p>\n

2<\/dd>\n

O<\/p>\n

7<\/dd>\n

. Ti\u1ebfp t\u1ee5c cho t\u1eebng gi\u1ecdt dung d\u1ecbch H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

lo\u00e3ng v\u00e0o, hi\u1ec7n t\u01b0\u1ee3ng quan s\u00e1t \u0111\u01b0\u1ee3c l\u00e0<\/p>\n

A. Dung d\u1ecbch t\u1eeb m\u00e0u da cam chuy\u1ec3n sang m\u00e0u v\u00e0ng<\/p>\n

B. Dung d\u1ecbch kh\u00f4ng \u0111\u1ed5i m\u00e0u<\/p>\n

C. Dung d\u1ecbch t\u1eeb m\u00e0u v\u00e0ng chuy\u1ec3n sang m\u00e0u da cam<\/p>\n

D. Dung d\u1ecbch t\u1eeb m\u00e0u v\u00e0ng chuy\u1ec3n sang m\u00e0u da cam, sau \u0111\u00f3 chuy\u1ec3n sang m\u00e0u v\u00e0ng l\u1ea1i.<\/p>\n

C\u00e2u 25:<\/strong>\u0110i\u1ec7n ph\u00e2n n\u00f3ng ch\u1ea3y Al<\/p>\n

2<\/dd>\n

O<\/p>\n

3<\/dd>\n

b\u1eb1ng d\u00f2ng \u0111i\u1ec7n c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 9,65 A trong 25 ph\u00fat thu \u0111\u01b0\u1ee3c 1,08 gam nh\u00f4m kim lo\u1ea1i \u1edf catot. Hi\u1ec7u su\u1ea5t qu\u00e1 tr\u00ecnh \u0111i\u1ec7n ph\u00e2n \u0111\u1ea1t:<\/p>\n

A. 80%          B. 75%          C. 60%          D. 90%<\/p>\n

C\u00e2u  26:<\/strong>cho m\u1ed9t m\u1eabu h\u1ee3p kim Ba \u2013 Na t\u00e1c d\u1ee5ng v\u1edbi H<\/p>\n

2<\/dd>\n

O d\u01b0 thu \u0111\u01b0\u1ee3c dung d\u1ecbch X v\u00e0 3,36 lit  H<\/p>\n

2<\/dd>\n

( \u1edf \u0111ktc) . Th\u1ec3 t\u00edch dung d\u1ecbch axit H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

2M c\u1ea7n d\u00f9ng \u0111\u1ec3 trung h\u00f2a dung d\u1ecbch X l\u00e0<\/p>\n

A. 75ml        B. 60ml          C. 30ml          D. 150ml<\/p>\n

C\u00e2u 27:<\/strong>Cho c\u00e1c ph\u00e1t bi\u1ec3u sau:<\/p>\n

(a)  Al(OH)<\/p>\n

3<\/dd>\n

tan \u0111\u01b0\u1ee3c trong dung d\u1ecbch ki\u1ec1m NaOH.<\/p>\n

(b)   CaCO<\/p>\n

3<\/dd>\n

tan trong dung d\u1ecbch HCl.<\/p>\n

(c)  Cr, Fe, Al b\u1ecb th\u1ee5 \u0111\u1ed9ng trong dung d\u1ecbch H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

\u0111\u1eb7c ngu\u1ed9i.<\/p>\n

(d)   FeO v\u1eeba c\u00f3 t\u00ednh oxi h\u00f3a v\u1eeba kh\u1eed.<\/p>\n

S\u1ed1 ph\u00e1t bi\u1ec3u \u0111\u00fang l\u00e0:<\/p>\n

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

<\/p>\n

C\u00e2u 29:<\/strong>Cho 5,3g h\u1ed7n h\u1ee3p g\u1ed3m Al v\u00e0 Fe ph\u1ea3n \u1ee9ng v\u1eeba \u0111\u1ee7 v\u1edbi dung d\u1ecbch H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

lo\u00e3ng thu \u0111\u01b0\u1ee3c 4,48 lit kh\u00ed H<\/p>\n

2<\/dd>\n

(\u0111ktc) v\u00e0 m gam mu\u1ed1i. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n

A. 24,3g         B. 19,7g         C. 14,9g         D. 9,78g<\/p>\n

C\u00e2u 30:<\/strong>Cho c\u00e1c ph\u00e1t bi\u1ec3u sau:<\/p>\n

(1) An\u0111ehit ch\u1ec9 th\u1ec3 hi\u1ec7n t\u00ednh kh\u1eed;<\/p>\n

(2) An\u0111ehit ph\u1ea3n \u1ee9ng v\u1edbi H<\/p>\n

2<\/dd>\n

(x\u00fac t\u00e1c Ni, t\u00b0) t\u1ea1o ra ancol b\u1eadc m\u1ed9t;<\/p>\n

(3) Axit axetic kh\u00f4ng t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Ca(OH)<\/p>\n

2<\/dd>\n

.<\/p>\n

(4) Oxi h\u00f3a etilen l\u00e0 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 s\u1ea3n xu\u1ea5t an\u0111ehit axetic;<\/p>\n

(5) Nguy\u00ean li\u1ec7u \u0111\u1ec3 s\u1ea3n xu\u1ea5t axit axetic theo ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i l\u00e0 metanol.<\/p>\n

S\u1ed1 c\u00e2u ph\u00e1t bi\u1ec3u \u0111\u00fang l\u00e0<\/p>\n

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

C\u00e2u 31:<\/strong>\u0110un n\u00f3ng ch\u1ea5t b\u00e9o c\u1ea7n v\u1eeba \u0111\u1ee7 40kg dung d\u1ecbch NaOH 15%, gi\u1ea3 s\u1eed ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. Kh\u1ed1i l\u01b0\u1ee3ng (kg) glixerol thu \u0111\u01b0\u1ee3c l\u00e0<\/p>\n

A. 4,6          B. 13,8     C. 6,975        D. 9,2<\/p>\n

C\u00e2u 32:<\/strong>Tr\u00e1ng b\u1ea1c ho\u00e0n to\u00e0n m gam glucoz\u01a1 thu \u0111\u01b0\u1ee3c 86,4 gam Ag. N\u1ebfu l\u00ean men ho\u00e0n to\u00e0n m gam glucoz\u01a1 n\u00e0y r\u1ed3i cho kh\u00ed CO<\/p>\n

2<\/dd>\n

thu \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 v\u00e0o n\u01b0\u1edbc v\u00f4i trong d\u01b0 th\u00ec l\u01b0\u1ee3ng k\u1ebft t\u1ee7a thu \u0111\u01b0\u1ee3c l\u00e0<\/p>\n

    A. 80 gam        B. 20 gam        C. 40 gam         D. 60 gam<\/p>\n

C\u00e2u 33:<\/strong>Ch\u1ea5t X l\u00e0 amino axit. Khi cho 0,02mol X t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH th\u00ec c\u1ea7n d\u00f9ng 50 gam dung d\u1ecbch NaOH 3,2%. C\u00f2n khi cho 0,02mol X t\u00e1c d\u1ee5ng v\u1edbi HCl th\u00ec d\u00f9ng h\u1ebft 160 ml dung d\u1ecbch HCl 0,125M v\u00e0 thu \u0111\u01b0\u1ee3c 3,67 gam mu\u1ed1i khan. CTCT c\u1ee7a X l\u00e0<\/p>\n

A. NH<\/p>\n

2<\/dd>\n

C<\/p>\n

3<\/dd>\n

H<\/p>\n

5<\/dd>\n

(COOH)<\/p>\n

2<\/dd>\n

         B. NH<\/p>\n

2<\/dd>\n

C<\/p>\n

2<\/dd>\n

H<\/p>\n

3<\/dd>\n

(COOH)<\/p>\n

2<\/dd>\n

    <\/p>\n

      C. NH<\/p>\n

2<\/dd>\n

C<\/p>\n

3<\/dd>\n

H<\/p>\n

6<\/dd>\n

COOH           D. (NH<\/p>\n

2<\/dd>\n

)<\/p>\n

2<\/dd>\n

C<\/p>\n

3<\/dd>\n

H<\/p>\n

5<\/dd>\n

COOH<\/p>\n

C\u00e2u 34:<\/strong>Cho 24,4 gam h\u1ed7n h\u1ee3p g\u1ed3m axit axetic, axit fomic, glixerol, ancol etylic t\u00e1c d\u1ee5ng v\u1edbi Na d\u01b0. Sau khi ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c 6,72 l\u00edt kh\u00ed H<\/p>\n

2<\/dd>\n

 (\u0111ktc) v\u00e0 m gam mu\u1ed1i. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0:        <\/p>\n

      A. 37,6 gam     B. 31 gam         C. 23,8 gam       D. 25 gam<\/p>\n

C\u00e2u 35:<\/strong>Ch\u1ea5t X ch\u1ee9a C, H, O c\u00f3 t\u1ec9 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng m<\/p>\n

C<\/dd>\n

: m<\/p>\n

O<\/dd>\n

= 3:2 v\u00e0 khi \u0111\u1ed1t ch\u00e1y h\u1ebft X  thu \u0111\u01b0\u1ee3c CO<\/p>\n

2<\/dd>\n

v\u00e0 h\u01a1i n\u01b0\u1edbc theo t\u1ec9 l\u1ec7 th\u1ec3 t\u00edch CO<\/p>\n

2<\/dd>\n

: H<\/p>\n

2<\/dd>\n

O l\u00e0 4:3 ( c\u00e1c th\u1ec3 t\u00edch \u0111o \u1edf c\u00f9ng \u0111i\u1ec1u ki\u1ec7n t<\/p>\n

o<\/dd>\n

v\u00e0 p). C\u00f4ng th\u1ee9c \u0111\u01a1n gi\u1ea3n nh\u1ea5t c\u1ee7a X l\u00e0<\/p>\n

A. C<\/p>\n

2<\/dd>\n

H<\/p>\n

3<\/dd>\n

O        B. C<\/p>\n

4<\/dd>\n

H<\/p>\n

6<\/dd>\n

O         C. C<\/p>\n

2<\/dd>\n

H<\/p>\n

6<\/dd>\n

O        D. C<\/p>\n

3<\/dd>\n

H<\/p>\n

4<\/dd>\n

O<\/p>\n

<\/p>\n

C\u00e2u 37:<\/strong>Cho c\u00e1c ch\u1ea5t v\u00e0 ion sau: Zn, Cl<\/p>\n

2<\/dd>\n

, FeO, Fe<\/p>\n

2<\/dd>\n

O<\/p>\n

3<\/dd>\n

, SO<\/p>\n

2<\/dd>\n

, Fe<\/p>\n

2+<\/dd>\n

, H<\/p>\n

2<\/dd>\n

S, Cu<\/p>\n

2+<\/dd>\n

, Ag<\/p>\n

+<\/dd>\n

. S\u1ed1 l\u01b0\u1ee3ng ch\u1ea5t v\u00e0 ion v\u1eeba \u0111\u00f3ng vai tr\u00f2 ch\u1ea5t kh\u1eed, v\u1eeba \u0111\u00f3ng vai tr\u00f2 ch\u1ea5t oxi h\u00f3a l\u00e0:<\/p>\n

A. 4             B. 6              C. 8             D. 2<\/p>\n

c<\/strong>\u00e2u 38:<\/strong>  \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 6,8 gam m\u1ed9t h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 X ch\u1ec9 thu \u0111\u01b0\u1ee3c 4,48 l\u00edt kh\u00ed SO<\/p>\n

2<\/dd>\n

(\u0111ktc) v\u00e0 3,6 gam n\u01b0\u1edbc. H\u1ea5p th\u1ee5 h\u1ebft 6,8 gam ch\u1ea5t X v\u00e0o 180 ml dung d\u1ecbch NaOH 2 M th\u00ec thu \u0111\u01b0\u1ee3c mu\u1ed1i v\u00e0 s\u1ed1 gam mu\u1ed1i l\u00e0:<\/p>\n

A. NaHS:  2,24 gam v\u00e0 Na<\/p>\n

2<\/dd>\n

S: 12,48 gam      B. NaHS:  2,25 gam v\u00e0 Na<\/p>\n

2<\/dd>\n

S: 12,58 gam<\/p>\n

C. NaHS:  2,24 gam v\u00e0 Na<\/p>\n

2<\/dd>\n

S: 12,58 gam        D. NaHS:  2,25 gam v\u00e0 Na<\/p>\n

2<\/dd>\n

S: 12,68 gam.<\/p>\n

C\u00e2u 39:<\/strong>Cho 30,4 gam h\u1ed7n h\u1ee3p g\u1ed3m Fe v\u00e0 Cu th\u00e0nh 2 ph\u1ea7n b\u1eb1ng nhau. Ph\u1ea7n 1 cho t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi dung d\u1ecbch H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

\u0111\u1eb7c, n\u00f3ng d\u01b0, thu \u0111\u01b0\u1ee3c 6,72 l\u00edt SO<\/p>\n

2<\/dd>\n

(s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t, \u0111ktc). H\u00f2a tan ph\u1ea7n 2 trong 550 ml dung d\u1ecbch AgNO<\/p>\n

3<\/dd>\n

1M, k\u1ebft th\u00fac ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y. N\u1ed3ng \u0111\u1ed9 mol c\u1ee7a Fe(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

trong dung d\u1ecbch Y (coi th\u1ec3 t\u00edch dung d\u1ecbch kh\u00f4ng thay \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng) l\u00e0:<\/p>\n

A. 0,091 M    B. 0,181M       C. 0,363 M        D. 0,182 M<\/p>\n

C\u00e2u 40:<\/strong>Nung m gam b\u1ed9t s\u1eaft trong oxi , thu \u0111\u01b0\u1ee3c 3 gam h\u1ed7n h\u1ee3p ch\u1ea5t r\u1eafn X. H\u00f2a tan h\u1ebft h\u1ed7n h\u1ee3p X trong dung d\u1ecbch HNO<\/p>\n

3<\/dd>\n

(d\u01b0) tho\u00e1t ra 0,56 lit NO (\u1edf \u0111ktc) (l\u00e0 s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t). Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n

A. 2,52          B. 2,22     C. 2,32          D. 2,62<\/p>\n

C\u00e2u 41:<\/strong>Cho 2,13 gam h\u1ed7n h\u1ee3p X g\u1ed3m 3 kim lo\u1ea1i Mg, Cu, Al \u1edf d\u1ea1ng b\u1ed9t t\u00e1c d\u1ee5ng ho\u00e0n to\u00e0n v\u1edbi oxi thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y g\u1ed3m c\u00e1c oxit c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 3,33gam. Th\u1ec3 t\u00edch dung d\u1ecbch HCl 2M v\u1eeba \u0111\u1ee7 ph\u1ea3n \u1ee9ng h\u1ebft v\u1edbi Y l\u00e0<\/p>\n

A. 75ml          B. 50ml          C. 57ml          D. 90ml<\/p>\n

C\u00e2u 42:<\/strong>\u0110\u1ec3 l\u00e0m m\u1ec1m m\u1ed9t m\u1eabu n\u01b0\u1edbc c\u1ee9ng ch\u1ee9a x mol Mg<\/p>\n

2+<\/dd>\n

, y mol Ca<\/p>\n

2+<\/dd>\n

v\u00e0 0,06 mol HCO<\/p>\n

3<\/dd>\n

–<\/dd>\n

, ng\u01b0\u1eddi ta ph\u1ea3i d\u00f9ng m\u1ed9t th\u1ec3 t\u00edch v\u1eeba \u0111\u1ee7 dung d\u1ecbch n\u00e0o d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n

A. 15 ml dung d\u1ecbch Na<\/p>\n

2<\/dd>\n

CO<\/p>\n

3<\/dd>\n

2M     B. 30ml dung d\u1ecbch HCl 2M<\/p>\n

C. 20ml dung d\u1ecbch NaCl 1M      D. 10ml dung d\u1ecbch Na<\/p>\n

3<\/dd>\n

PO<\/p>\n

4<\/dd>\n

1M<\/p>\n

C\u00e2u 43:<\/strong>Cho h\u1ed7n h\u1ee3p g\u1ed3m 5,6g Fe v\u00e0 9,6g Cu v\u00e0o dung d\u1ecbch AgNO<\/p>\n

3<\/dd>\n

0,5M. Sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c 38,8g ch\u1ea5t r\u1eafn. Th\u1ec3 t\u00edch dung d\u1ecbch AgNO<\/p>\n

3<\/dd>\n

\u0111\u00e3 d\u00f9ng:<\/p>\n

A. 0,6 lit         B. 1 lit      C. 1,2 lit         D. 0,4 lit<\/p>\n

C\u00e2u 44:<\/strong>\u0110i\u1ec7n ph\u00e2n m\u1ed9t dung d\u1ecbch ch\u1ee9a CuSO<\/p>\n

4<\/dd>\n

v\u00e0 1,49g KCl v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n l\u00e0 I=9,65A. Khi th\u1ec3 t\u00edch c\u00e1c kh\u00ed tho\u00e1t ra \u1edf c\u1ea3 2 \u0111i\u1ec7n c\u1ef1c \u0111\u1ec1u b\u1eb1ng 0,336 lit (\u0111ktc) th\u00ec ng\u1eebng \u0111i\u1ec7n ph\u00e2n. Kh\u1ed1i l\u01b0\u1ee3ng kim lo\u1ea1i sinh ra \u1edf catot v\u00e0 th\u1eddi gian \u0111i\u1ec7n ph\u00e2n l\u00e0:<\/p>\n

A.1,28g v\u00e0 1000 gi\u00e2y           B. 0,64g v\u00e0 1000 gi\u00e2y<\/p>\n

C. 1,28g v\u00e0 800 gi\u00e2y          D. 0,64g v\u00e0 800 gi\u00e2y<\/p>\n

C\u00e2u 45:<\/strong>M\u1ed9t h\u1ed7n h\u1ee3p X g\u1ed3m axetilen, an\u0111ehit fomic, axit fomic v\u00e0 H<\/p>\n

2<\/dd>\n

. L\u1ea5y a mol h\u1ed7n 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 15 gam k\u1ebft t\u1ee7a v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch n\u01b0\u1edbc v\u00f4i gi\u1ea3m 3,9 gam. Gi\u00e1 tr\u1ecb c\u1ee7a a l\u00e0<\/p>\n

      A. 0,25.          B. 0,50.          C. 0,10.         D. 0,15.<\/p>\n

C\u00e2u 46:<\/strong>H\u1ed7n h\u1ee3p M g\u1ed3m ankin X, anken Y (Y nhi\u1ec1u h\u01a1n X m\u1ed9t nguy\u00ean t\u1eed cacbon) v\u00e0 H<\/p>\n

2<\/dd>\n

. Cho 0,25 mol h\u1ed7n h\u1ee3p M v\u00e0o b\u00ecnh k\u00edn c\u00f3 ch\u1ee9a m\u1ed9t \u00edt b\u1ed9t Ni \u0111un n\u00f3ng. Sau m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p N. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n N thu \u0111\u01b0\u1ee3c 0,35 mol CO<\/p>\n

2<\/dd>\n

v\u00e0 0,35 mol H<\/p>\n

2<\/dd>\n

O. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a X v\u00e0 Y l\u1ea7n l\u01b0\u1ee3t l\u00e0<\/p>\n

A. C<\/p>\n

2<\/dd>\n

H<\/p>\n

2<\/dd>\n

v\u00e0 C<\/p>\n

3<\/dd>\n

H<\/p>\n

6<\/dd>\n

.     B. C<\/p>\n

3<\/dd>\n

H<\/p>\n

4<\/dd>\n

v\u00e0 C<\/p>\n

2<\/dd>\n

H<\/p>\n

4<\/dd>\n

.    C. C<\/p>\n

3<\/dd>\n

H<\/p>\n

4<\/dd>\n

v\u00e0 C<\/p>\n

4<\/dd>\n

H<\/p>\n

8<\/dd>\n

.    D. C<\/p>\n

4<\/dd>\n

H<\/p>\n

6<\/dd>\n

v\u00e0 C<\/p>\n

5<\/dd>\n

H<\/p>\n

10<\/dd>\n

.<\/p>\n

C\u00e2u 47:<\/strong>Cho m gam h\u1ed7n h\u1ee3p X g\u1ed3m hai ancol \u0111\u01a1n ch\u1ee9c X<\/p>\n

1<\/dd>\n

, X<\/p>\n

2<\/dd>\n

\u0111\u1ed3ng \u0111\u1eb3ng k\u1ebf ti\u1ebfp (), ph\u1ea3n \u1ee9ng v\u1edbi CuO nung n\u00f3ng, thu \u0111\u01b0\u1ee3c 0,25 mol H<\/p>\n

2<\/dd>\n

O v\u00e0 h\u1ed7n h\u1ee3p Y g\u1ed3m hai an\u0111ehit t\u01b0\u01a1ng \u1ee9ng v\u00e0 hai ancol d\u01b0. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n Y thu \u0111\u01b0\u1ee3c 0,5 mol CO<\/p>\n

2<\/dd>\n

v\u00e0 0,65 mol H<\/p>\n

2<\/dd>\n

O. M\u1eb7t kh\u00e1c, cho to\u00e0n b\u1ed9 l\u01b0\u1ee3ng Y tr\u00ean t\u00e1c d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch AgNO<\/p>\n

3<\/dd>\n

trong NH<\/p>\n

3<\/dd>\n

\u0111un n\u00f3ng,\u00ad k\u1ebft th\u00fac c\u00e1c ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 0,9 mol Ag. Hi\u1ec7u su\u1ea5t t\u1ea1o an\u0111ehit c\u1ee7a X<\/p>\n

1,<\/dd>\n

X<\/p>\n

2<\/dd>\n

l\u1ea7n l\u01b0\u1ee3t l\u00e0<\/p>\n

      A. 66,67% v\u00e0 50,00%.             B. 33,33% v\u00e0 50,00%.     <\/p>\n

   C. 66,67% v\u00e0 33,33%.             D. 50,00% v\u00e0 66,67%.<\/p>\n

C\u00e2u 48:<\/strong>H\u1ed7n h\u1ee3p M g\u1ed3m C<\/p>\n

2<\/dd>\n

H<\/p>\n

2<\/dd>\n

v\u00e0 hai an\u0111ehit X<\/p>\n

\u00ad1<\/dd>\n

, X<\/p>\n

2<\/dd>\n

\u0111\u1ed3ng \u0111\u1eb3ng k\u1ebf ti\u1ebfp (). \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m\u1ed9t l\u01b0\u1ee3ng M c\u1ea7n d\u00f9ng v\u1eeba \u0111\u1ee7 0,3 mol O<\/p>\n

2<\/dd>\n

, thu \u0111\u01b0\u1ee3c 0,25 mol CO<\/p>\n

2<\/dd>\n

v\u00e0 0,225 mol H<\/p>\n

2<\/dd>\n

O. C\u00f4ng th\u1ee9c c\u1ee7a X<\/p>\n

1<\/dd>\n

l\u00e0<\/p>\n

A. HCHO.        B. OHC-CHO.     C. CH<\/p>\n

3<\/dd>\n

CHO.       D. CH<\/p>\n

2<\/dd>\n

=CH-CHO.<\/p>\n

C\u00e2u 49:<\/strong>Cho 1 mol amino axit X ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch 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 dung d\u1ecbch 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

\u2013 m<\/p>\n

1<\/dd>\n

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

      A. C<\/p>\n

5<\/dd>\n

H<\/p>\n

9<\/dd>\n

O<\/p>\n

4<\/dd>\n

N       B. 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. C<\/p>\n

5<\/dd>\n

H<\/p>\n

11<\/dd>\n

O<\/p>\n

2<\/dd>\n

N      D. C<\/p>\n

4<\/dd>\n

H<\/p>\n

8<\/dd>\n

O<\/p>\n

4<\/dd>\n

N<\/p>\n

2<\/dd>\n

         <\/p>\n

C\u00e2u 50:<\/strong>H\u1ed7n h\u1ee3p X c\u00f3 C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

OH, C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

CHO, CH<\/p>\n

3<\/dd>\n

CHO trong \u0111\u00f3 C<\/p>\n

2<\/dd>\n

H<\/p>\n

5<\/dd>\n

OH  chi\u1ebfm 50% theo s\u1ed1 mol. \u0110\u1ed1t ch\u00e1y m gam h\u1ed7n h\u1ee3p X thu \u0111\u01b0\u1ee3c 3,06 gam H<\/p>\n

2<\/dd>\n

O v\u00e0 3,136 l\u00edt CO<\/p>\n

2<\/dd>\n

 (\u0111ktc). M\u1eb7t kh\u00e1c 8,94 gam h\u1ed7n h\u1ee3p X th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng tr\u00e1ng b\u1ea1c thu \u0111\u01b0\u1ee3c m gam b\u1ea1c. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0:
     A.<\/strong> 19,44       B.<\/strong> 6,48       C.<\/strong> 12,96       D.<\/strong> 25,92<\/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 9<\/strong><\/span><\/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 9 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 c\u00e2u 1:c\u1ea5u h\u00ecnh electron c\u1ee7a nguy\u00ean t\u1eed Mg (z = 12) […]<\/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