Anode : [Red1→Ox1n1++n1e−]×n2Cathode : [Ox2+n2e−→Red2n2−]×n1Overall reaction :n2Red1+n1Ox2→n2Ox1n1++n1Red2n2−The electrons does not appear in overall reactionE=E∘−2.303nFRTlogQFRTE−E∘=−n2.303logQSlope =n−2.303Straight line passing through origin.Electrical work = Charge x Potential difference.