1, 16HCl+2KMnO₄→5Cl₂+8H₂O+2KCl+2MnCl₂

3Cl₂+6KOH→3H₂O+5KCl+KClO₃

3C+2KClO₃→2KCl+3CO₂

H₂SO₄+2KCl→2HCl+K₂SO₄

2, 4HCl+MnO₂→Cl₂+2H₂O+MnCl₂

Cl2 + H2 → 2HCl

HCl+NaOH→H₂O+NaCl

2H₂O+2NaCl→Cl₂+H₂+2NaOH

Cl₂+2NaBr→Br₂+2NaCl

3, 2H₂O+2NaCl→Cl₂+H₂+2NaOH

Cl2 + H2 → 2HCl

Fe₂O₃+6HCl→3H₂O+2FeCl₃

3AgNO₃+FeCl₃→3AgCl+Fe(NO₃)₃

4, 4HCl+MnO₂→Cl₂+2H₂O+MnCl₂

3Cl₂+2Fe→2FeCl₃

3AgNO₃+FeCl₃→3AgCl+Fe(NO₃)₃

Cho mình 5* và câu trả lời hay nhất ạ

Đáp án:

Giải thích các bước giải:

1/

`2KMnO_4 + 16HCl \to 2KCl + 2MnCl_2 + 5Cl_2\uparrow + 8H_2O`

`3Cl_2 + 6KOH \to 5KCl + KClO_3 + 3H_2O`

`2KClO_3 \overset{t^o}\to 2KCl + 3O_2\uparrow`

`2KCl + H_2SO_4 \to K_2SO_4 + 2HCl`

2/

`MnO_2 + 4HCl \to MnCl_2 + Cl_2\uparrow + 2H_2O`

`Cl_2 + H_2 \overset{\quad t^o,\ \text{ánh sáng}\quad }\to 2HCl`

`HCl + NaOH \to NaCl + H_2O`

\(2NaCl + 2H_2O \xrightarrow[\quad \text{có màng ngăn}\quad ]{\quad \text{điện phân dung dịch}\quad } 2NaOH + Cl_2\uparrow + H_2\uparrow\)

`Cl_2 + 2NaBr \to 2NaCl + Br_2`

3/

\(2NaCl + 2H_2O \xrightarrow[\quad \text{có màng ngăn}\quad ]{\quad \text{điện phân dung dịch}\quad } 2NaOH + Cl_2\uparrow + H_2\uparrow\)

`Cl_2 + H_2 \overset{\quad t^o,\ \text{ánh sáng}\quad }\to 2HCl`

`6HCl + Fe_2O_3 \to 2FeCl_3 + 3H_2O`

`FeCl_3 + 3AgNO_3 \to 3AgCl\downarrow + Fe(NO_3)_3`

4/

`MnO_2 + 4HCl \to MnCl_2 + Cl_2\uparrow + 2H_2O`

`3Cl_2 + 2Fe \overset{t^o}\to 2FeCl_3`

`FeCl_3 + 3AgNO_3 \to 3AgCl\downarrow + Fe(NO_3)_3`

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