I2 + Cl2 + 2 H2O → 2 HIO + 2 HCl
This is an oxidation-reduction (redox) reaction:
2 I0 - 2 e- → 2 II (oxidation)
2 Cl0 + 2 e- → 2 Cl-I (reduction)
I2 is a reducing agent, Cl2 is an oxidizing agent.
Reactants:
Products:
- HIO – Hypoiodous acid
- 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.]
- Other names: Hydrochloric acid