Standard reduction potentials48
| Electrode | Reaction | Potential: V |
|---|---|---|
| Lithium, lithium ion (Li+) | Li+ + e− → Li | −3·02 |
| Potassium (K), potassium ion (K+) | K+ + e− → K | −2·92 |
| Sodium (Na), sodium ion (Na+) | Na+ + e− → Na | −2·71 |
| Magnesium, magnesium ion (Mg2+) | Mg2+ + 2e− → Mg | −2·37 |
| Aluminum, aluminum ion (Al3+) | Al3+ + 3e− → Al | −1·71 |
| Zinc, zinc ion (Zn2+) | Zn2+ + 2e− → Zn | −0·76 |
| Iron, iron (II) ion (Fe2+) | Fe2+ + 2e− → Fe | −0·44 |
| Cadmium, cadmium ion (Cd2+) | Cd2+ + 2e− → Cd | −0·40 |
| Nickel, nickel (II) ion (Ni2+) | Ni2+ + 2e− → Ni | −0·24 |
| Tin, tin (II) ion (Sn2+) | Sn2+ + 2e− → Sn | −0·14 |
| Copper, copper (II) ion (Cu2+) | Cu2+ + 2e− → Cu | 0·34 |
| Electrode | Reaction | Potential: V |
|---|---|---|
| Lithium, lithium ion (Li+) | Li+ + e− → Li | −3·02 |
| Potassium (K), potassium ion (K+) | K+ + e− → K | −2·92 |
| Sodium (Na), sodium ion (Na+) | Na+ + e− → Na | −2·71 |
| Magnesium, magnesium ion (Mg2+) | Mg2+ + 2e− → Mg | −2·37 |
| Aluminum, aluminum ion (Al3+) | Al3+ + 3e− → Al | −1·71 |
| Zinc, zinc ion (Zn2+) | Zn2+ + 2e− → Zn | −0·76 |
| Iron, iron (II) ion (Fe2+) | Fe2+ + 2e− → Fe | −0·44 |
| Cadmium, cadmium ion (Cd2+) | Cd2+ + 2e− → Cd | −0·40 |
| Nickel, nickel (II) ion (Ni2+) | Ni2+ + 2e− → Ni | −0·24 |
| Tin, tin (II) ion (Sn2+) | Sn2+ + 2e− → Sn | −0·14 |
| Copper, copper (II) ion (Cu2+) | Cu2+ + 2e− → Cu | 0·34 |
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