Question

[Shino Asada]

Dạng 1: Hoàn thành các phương trình phản ứng (ghi điều kiện nếu có)

a. HCl \(\rightarrow\) Cl₂ \(\rightarrow\) FeCl₃ \(\rightarrow\) NaCl \(\rightarrow\) HCl \(\rightarrow\) CuCl₂ \(\rightarrow\) AgCl

b. HCl → Cl₂ → NaCl → HCl → FeCl₂

c. MnO₂ → Cl₂ → KCl → HCl → Cl₂ → Br_{2\(\rightarrow\)}I₂

d. KMnO_{4 \(\rightarrow\)}Cl_{2 \(\rightarrow\)}HCl \(\rightarrow\) FeCl₃ \(\rightarrow\) AgCl

Answer 1

[B.Thị Anh Thơ]

a/

\(2HCl\underrightarrow{^{đpdd}}H_2+Cl_2\)

\(3Cl_2+2Fe\underrightarrow{^{to}}2FeCl_3\)

\(FeCl_3+3NaOH\rightarrow3NaCl+Fe\left(OH\right)_3\)

\(2NaCl+H_2SO_4\underrightarrow{^{to}}Na_2SO_4+2HCl\)

\(HCl+CuO\rightarrow CuCl_2+H_2O\)

\(CuCl_2+AgNO_3\rightarrow AgCl+Cu\left(NO_3\right)2\)

b/

\(2HCl\underrightarrow{^{đpdd}}H_2+Cl_2\)

\(Cl_2+2Na\underrightarrow{^{to}}2NaCl\)

\(2NaCl+H_2SO_{4_{dac}}\underrightarrow{^{to}}Na_2SO_4+2HCl\)

\(2HCl+Fe\rightarrow FeCl_2+H_2\)

c/

\(MnO_2+4HCl_đ\underrightarrow{^{to}}MnO_2+Cl_2+2H_2O\)

\(Cl_2+2K\underrightarrow{^{to}}2KCl\)

\(2KCl+H_2SO_4\underrightarrow{^{to}}K_2SO_4+2HCl\)

\(2HCl\underrightarrow{^{đpdd}}H_2+Cl_2\)

\(Cl_2+2NaBr\rightarrow2NaCl+Br_2\)

\(Br_2+2NaI\rightarrow NaBr+I_2\)

d/

\(2KMnO_4+16HCl_đ\underrightarrow{^{to}}2KCl+2MnCl_2+5Cl_2+8H_2O\)

\(Cl_2+H_2\underrightarrow{^{as}}2HCl\)

\(Fe_2O_3+6HCl\rightarrow2FeCl_3+3H_2O\)

\(FeCl_3+3AgNO_3\rightarrow3AgCl+Fe\left(NO_3\right)_3\)