For the electrolysis of dilute sulphuric acid solution.write the equation for the reaction at the cathode and anode with the overall equation.
At the cathode: 2H2O + 2e- -> H2 + 2OH-
At the anode: 4OH- -> O2 + 2H2O + 4e-
Overall equation: 2H2O -> 2H2 + O2