Explain electrolysis of neutral aqueous copper(ii) sulfate

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What is the anode reaction during electrolysis of neutral aqueous copper(II) sulfate using inert electrodes?
2H2O + 2e- H2 + 2OH-
2H2O O2 + 4H+ + 4e-
2SO42- S2O82- + 2e-
Cu2+ + 2e- Cu

Reference no: EM13523825

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