Electrochemical Series Predictor
Use standard reduction potentials to predict spontaneous reactions
Half-reaction
E° (V)
F₂ + 2e⁻ → 2F⁻
+2.87
Cl₂ + 2e⁻ → 2Cl⁻
+1.36
O₂ + 4H⁺ + 4e⁻ → 2H₂O
+1.23
Ag⁺ + e⁻ → Ag
+0.80
Cu²⁺ + 2e⁻ → Cu
+0.34
2H⁺ + 2e⁻ → H₂
0.00
Fe²⁺ + 2e⁻ → Fe
-0.44
Zn²⁺ + 2e⁻ → Zn
-0.76
Mg²⁺ + 2e⁻ → Mg
-2.37
Na⁺ + e⁻ → Na
-2.71
Clear
Higher E° = stronger oxidising agent (more likely to be reduced). Reverse the lower E° half-equation for oxidation.