For electrolysis of each of the following
(i) write the ionic half-equation for the reaction occurring at the cathode
(ii) write the ionic half-equation for the reaction occurring at the anode
(iii) state what has been oxidised and what has been reduced.

(a) Calcium bromide solution using carbon electrodes
(b) Copper(II) sulfate solution using platinum electrodes
(c) Aluminum nitrate solution using carbon electrodes
(d) Molten magnesium iodide using carbon electrodes
(e) Dilute hydrochloric acid using platinum electrodes​