Em tham khảo nha:
\(\begin{array}{l}
C6)\\
1.\,2NaCl + {H_2}S{O_4} \to N{a_2}S{O_4} + 2HCl\\
2.\,Mn{O_2} + 4HCl \to MnC{l_2} + C{l_2} + 2{H_2}O\\
3.\,C{l_2} + 2NaBr \to 2NaCl + B{r_2}\\
4.\,B{r_2} + 2NaI \to 2NaBr + {I_2}\\
5.NaCl + AgN{O_3} \to AgCl + NaN{O_3}\\
6.\,HCl + NaOH \to NaCl + {H_2}O\\
C7)\\
1.\,Mn{O_2} + 4HCl \to MnC{l_2} + C{l_2} + 2{H_2}O\\
2.C{l_2} + {H_2} \to 2HCl\\
3.\,Fe + 2HCl \to FeC{l_2} + {H_2}\\
4.2Fe + 3C{l_2} \to 2FeC{l_3}\\
5.C{l_2} + {H_2}O \to HCl + HClO
\end{array}\)
