Standard Electrode Potentials: 2 HNO₂ + 4 H⁺ + 4 e ⇌ H₂N₂O₂ + 2 H₂O
Standard reduction potentials (E° vs. SHE, 25°C, aqueous) for ~1,032 half-reactions covering elements from actinium to xenon plus common electrode systems (calomel). Used for corrosion potential calculations, electrochemical cell EMF, galvanic coupling analysis, and electroplating/electrolysis design.
| reaction | e standard V (V) |
|---|---|
| 2 HNO₂ + 4 H⁺ + 4 e ⇌ H₂N₂O₂ + 2 H₂O | 0.86 |
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