Electrolysis of aq. K2SO4 using inert electrodes is carried out by passing 19300 coulombs. Weight of the substance obtained at anode is
Sulphate ion can never get oxidized further (Sulphur is in its highest O.S).
Thus at anode O2 gas is liberated;
∴WO2=EitF=EqF WO2=8×1930096500 WO2=1.6 g