Question
On the basis of the information available from the reaction : 1 2 Al2O3, G 827KJmol 3 2 Al O 3 4 + = of O2, the minimum e.m.f. required to carry out electrolysis of Al2O3 is (F = 96500 C mol1) (1) 2.14 V (2) 4.28 V (3) 6.42 V (4) 8.56 V How to find value of n?