9/ Hoàn thành các phản ứng sau:

a) Al + Cl2

b) Zn + Cl2

c) Cl2 + H2O

d) Fe + HCl

e) Mg + HCl

f) CuO + HCl

g) Al2O3 + HCl

h) Cu(OH)2 + HCl

i) NaOH + HCl

k) CaCO3 + HCl

l) AgNO3 + HCl

m) KMnO4 + HCl

n) MnO2 + HCl

o) NaCl + H2O

$\text{Đáp án+Giải thích các bước giải:}$

$\text{a) 2Al + $3Cl_{2}$→$2AlCl_{3}$}$

$\text{b) Zn + $Cl_{2}$→$ZnCl_{2}$}$ 

$\text{c) $Cl_{2}$ + $H_{2}O$→HCl + $HClO$}$

$\text{d) Fe + 2HCl→$FeCl_{2}$ + $H_{2}$}$

$\text{e) Mg + 2HCl→$MgCl_{2}$ + $H_{2}$}$

$\text{f) CuO + 2HCl→$CuCl_{2}$ + $H_{2}O$}$

$\text{g) $Al_{2}O_{3}$ + 6HCl→$2AlCl_{3}$ + $3H_{2}O$}$

$\text{h) $Cu(OH)_{2}$ + 2HCl→$CuCl_{2}$ + $2H_{2}O$}$

$\text{i) NaOH + HCl→NaCl + $H_{2}O$}$

$\text{k) $CaCO_{3}$ + 2HCl→$CaCl_{2}$ + $CO_{2}$ + $H_{2}O$}$

$\text{l) $AgNO_{3}$ + HCl→AgCl + $HNO_{3}$}$

$\text{m) $2KMnO_{4}$ + 16HCl→2KCl + $2MnCl_{2}$ + $5Cl_{2}$ + $8H_{2}O$}$

$\text{n) $MnO_{2}$ + 4HCl→$Cl_{2}$ + $MnCl_{2}$ + $2H_{2}O$}$

$\text{o) 2NaCl + $2H_{2}O$→2NaOH + $Cl_{2}$ + $H_{2}$}$

$\text{Học tốt nhé}$

Đáp án:

`↓`

Giải thích các bước giải:

`a)` `2Al+3Cl_2` $\xrightarrow[]{t^o}$ `2AlCl_3`

`b)` `Zn+Cl_2` $\xrightarrow[]{t^o}$ `ZnCl_2` 

`c)` `Cl_2+H_2O` $\rightleftharpoons$ `HCl+HClO`

`d)` `Fe+2HCl->FeCl_2+H_2↑`

`e)` `Mg+2HCl→MgCl_2+H_2↑`

`f)` `CuO+2HCl→CuCl_2+H_2O`

`g)` `Al_2O_3+6HCl→2AlCl_3+3H_2O`

`h)` `Cu(OH)_2+2HCl→CuCl_2+2H_2O`

`i)` `NaOH+HCl→NaCl+H_2O`

`k)` `CaCO_3+2HCl→CaCl_2+CO_2↑+H_2O`

`l)` `AgNO_3+HCl→AgCl↓+HNO_3`

`m)` `2KMnO_4+16HCl→2KCl+2MnCl_2+5Cl_2↑+8H_2O`

`n)` `MnO_2+4HCl→MnCl_2+Cl_2↑+2H_2O`

`o)` `2NaCl+2H_2O` $\xrightarrow[cmn]{đpdd}$ `2NaOH+Cl_2↑+H_2↑`