CSEC Chemistry · May/June 2010 · Paper 1 · Question Q29

During the electrolysis of aqueous copper(II) sulphate solution using inert electrodes, the ions migrating to the cathode are

1. (A)\text{Cu}^{2+}\text{ (aq) and (aq) }\text{SO}_4^{2-}
2. (B)\text{H}^+\text{ (aq) and }\text{OH}^-\text{ (aq)}
3. (C)\text{SO}_4^{2-}\text{ (aq) and }\text{OH}^-\text{ (aq)}
4. (D)\text{Cu}^{2+}\text{ (aq) and }\text{H}^+\text{ (aq)}