10Clˉ+ 2MnO4ˉ+ 16H+ =5Cl2↑ + 2Mn2+ + 8H2O
5Clˉ+ ClO3ˉ+ 6H+ =3Cl2↑ + 3H2O
2Clˉ+ MnO2+ 4H+ =Cl2↑+ Mn2+ +2H2O