KBrO3 + H2O ± 2e- → H2 + KBrO4
Electrolysis aqueous solution potassium bromate to produce hydrogen and potassium perbromate.
- Cathodic process: 2H+ + 2e- → H2
- Anodic process: BrO3- + H2O - 2e- → BrO4- + 2H+