An electric current is passed through an aqueous solution of copper(II) sulfate, CuSO4(aq)\text{CuSO}_4(\text{aq})CuSO4(aq), using inert carbon electrodes. Which products are liberated at the cathode and the anode respectively?
Hydrogen at the cathode and oxygen at the anode
Copper at the cathode and sulfur dioxide at the anode
Copper at the cathode and oxygen at the anode
Hydrogen at the cathode and sulfur dioxide at the anode