2 Cl2 (g) + 2 H2O (l) → O2 (g) + 4 HCl (aq)
This is an oxidation-reduction (redox) reaction:
4 Cl0 + 4 e- → 4 Cl-I (reduction)
2 O-II - 4 e- → 2 O0 (oxidation)
Cl2 is an oxidizing agent, H2O is a reducing agent.
Reactants:
Products:
- O2
- HCl – Chlorane , Hydrogen chloride
- Other names: Hydrochloric acid , M , Uriatic acid
- Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]