HCl (aq) + HClO (aq) → H2O (l) + Cl2 (g)
This is an oxidation-reduction (redox) reaction:
ClI + e- → Cl0 (reduction)
Cl-I - 1 e- → Cl0 (oxidation)
HClO is an oxidizing agent, HCl is a reducing agent (synproportionation (comproportionation)).
This is a gas evolution reaction, Cl2 is the formed gas.
- HCl – Chlorane , Hydrogen chloride
- Other names: Hydrochloric acid , Hydrochloric acid gas , HCl
- 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.]
- HClO – Hypochlorous acid, chloric(I) acid, chloranol, hydroxidochlorine
- H2O – Water, oxidane