Standard Electrode Potentials: 2NO₂⁻ + 2H₂O + 4e ⇌ N₂O₂²⁻ + 4OH⁻
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) |
|---|---|
| 2NO₂⁻ + 2H₂O + 4e ⇌ N₂O₂²⁻ + 4OH⁻ | -0.18 |
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