Standard Electrode Potentials
Standard Electrode Potentials
H2O2 contains oxygen in a state of oxidation midway between molecular oxygen and water.
| Oxygen Moiety | Reduction → | |||
| O2 ↔ H2O2 ↔ H2O | ||||
| Oxygen Valence |
|
|||
| ← Oxidation |
| H2O2 → O2 + 2H+ + 2e– | Eo = -0.682 V |
| H2O2 + 2H+ + 2e– → 2H2O | Eo = 1.776 V |
For perhydroxyl ion (HO2–):
| OH– + HO2– → O2 + H2O + 2e– | EBo = 0.084 V |
| 3OH– → HO2– + H2O + 2e– | EBo = -0.87 V |
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