Question
How much electricity is required in coulomb for the oxidation of
1 mol of H2O to O2 ?
Solution
1 mol of H2O will give one atom of O
Charge on O = – 2
Electricity required =n F
= 2 × 96487 Coulombs
= 192974 Coulombs
= 1.93 × 105 Coulombs