CuCl2 + 2 HI → Cu + I2 + 2 HCl
This is an oxidation-reduction (redox) reaction:
CuII + 2 e- → Cu0 (reduction)
2 I-I - 2 e- → 2 I0 (oxidation)
CuCl2 is an oxidizing agent, HI is a reducing agent.
Reactants:
Products:
- Cu
- I2
- 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.]