JAMB Chemistry 1982 Question 8

A current of 10.0A was passed for 1 hour through a solution of copper (II) sulphate between the copper electrodes. Which of the following observations would be correct? (1 Faraday = 96,500 coulombs)
(i) 0.186 mole of copper is dissolved from the anode
(ii) 0.372 mole of copper is deposited on the cathode
(iii) the original Cu²⁺ ion concentration of the solution remains unchanged.
(iv) the original Cu²⁺ ion concentration of the solution decreases

1. A.(i) and (ii)
2. B.(i) and (iii)
3. C.(i) and (iv)
4. D.(ii) and (iii)
5. E.(ii) and (iv)