H2[PtCl6] ± 4e- → Pt + 2Cl2 + 2HCl
Electrolysis solution hydrogen hexachloridoplatinate(IV) to produce platinum, chlorine and hydrogen chloride.
- Cathodic process: [PtCl6]2- + 4e- → Pt + 6Cl-
- Anodic process: 4Cl- - 4e- → 2Cl2