$Cl_2 + H_2O \rightleftharpoons HCl + HClO \\ Cl_2 + 2NaOH \to NaCl + NaClO + H_2O\\ MnO_2 + 4HCl \xrightarrow{t^o} MnCl_2 + Cl_2 + 2H_2O \\ 2KMnO_4 + 16HCl \to 2MnCl_2 + 2KCl + 5Cl_2 + 8H_2O \\ 2NaCl + 2H_2O \xrightarrow{điện\ phân\ dung\ dịch,có\ màng\ ngăn} 2NaOH + H_2 + Cl_2$
\(2Cl_2+2H_2O\rightarrow4HCl+O_2\)
\(2Cl_2+4NaOH\rightarrow4NaCl+2H_2O\)
\(2NaCl+2H_2O\rightarrow2NaOH+Cl_2+H_2\)
\(Cl_2+H_2O⇌HCl+HClO\)
\(Cl_2+2NaOH\rightarrow NaCl+NaClO+H_2O\)
\(MnO_2+4HCl\rightarrow MnCl_2+Cl_2+2H_2O\)
\(2KMnO_4+16HCl\rightarrow2KCl+2MnCl_2+5Cl_2+8H_2O\)
\(2NaCl+2H_2O\underrightarrow{đpcmn}2NaOH+H_2+Cl_2\)
