6 Cl2 (g) + 3 Ca(OH)2 (s) → 6 HCl (aq) + 2 CaCl2 (aq) + Ca(ClO3)2 (aq)
This is an oxidation-reduction (redox) reaction:
10 Cl0 + 10 e- → 10 Cl-I (reduction)
2 Cl0 - 10 e- → 2 ClV (oxidation)
Cl2 is both an oxidizing and a reducing agent (disproportionation (dismutation)).
Reactants:
Products:
- 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.]
- CaCl2 – Calcium chloride
- Ca(ClO3)2