Em tham khảo nha:
\(\begin{array}{l}
a)\\
2KMn{O_4} + 16HCl \to 2KCl + 2MnC{l_2} + 5C{l_2} + 8{H_2}O\\
3C{l_2} + 6KOH \to 5KCl + KCl{O_3} + 3{H_2}O\\
2KCl{O_3} \xrightarrow{t^0} 2KCl + 3{O_2}\\
2KCl + 2{H_2}O \xrightarrow{\text{ điện phân dung dịch có màng ngăn } } 2KOH + C{l_2} + {H_2}\\
C{l_2} + {H_2} \to 2HCl\\
Fe + 2HCl \to FeC{l_2} + {H_2}\\
2FeC{l_2} + C{l_2} \to 2FeC{l_3}\\
b)\\
2KMn{O_4} + 16HCl \to 2KCl + 2MnC{l_2} + 5C{l_2} + 8{H_2}O\\
C{l_2} + {H_2} \to 2HCl\\
Fe + 2HCl \to FeC{l_2} + {H_2}\\
FeC{l_2} + 2AgN{O_3} \to 2AgCl + Fe{(N{O_3})_2}\\
c)\\
Mn{O_2} + 4HCl \to MnC{l_2} + C{l_2} + 2{H_2}O\\
2Fe + 3C{l_2} \xrightarrow{t^0} 2FeC{l_3}\\
FeC{l_3} + 3NaOH \to Fe{(OH)_3} + 3NaCl\\
2NaCl + {H_2}S{O_4} \to N{a_2}S{O_4} + 2HCl\\
CuO + 2HCl \to CuC{l_2} + {H_2}O\\
CuC{l_2} + 2AgN{O_3} \to Cu{(N{O_3})_2} + 2AgCl
\end{array}\)
