1) 2NaCl + 2H2O -> 2NaOH + Cl2 + H2
(2) 2KMnO4 + 16HCl -> 2KCl + 2MnCl2 + 5Cl2 + 8H2O
(3) MnO2 + 4HCl -> MnCl2 + Cl2 + 2H2O
(4) 2Fe + 3Cl2 -> 2FeCl3 ( nhiet do)
(5) H2 + Cl2 -> 2HCl
(6) Cl2 + H2O -> HCl + HCLO
(7) 6Cl + 6KOH -> 5KCl + KClO3 + 3H2O
(8) 2NaOH + Cl2 -> NaClO + NaCl + H2O