Solve Share with your friends Share 0 Geetha answered this Anodic reactionAl →Al3+ + 3e- (oxidation) ---1Cathodic reaction2 H2O + O2 + 4e- → 4 OH- ----2Net cell reactionBefore adding the reaction, the total number of electrons should be equal.So multiply equation 1 by 4 and 2 by 34Al →4Al3+ + 12e-6 H2O + 3O2 + 12e- → 12 OH------------------4Al+ 6 H2O + 3O2→ 12 OH- +4Al3+------------------ 0 View Full Answer