Differentiate between i] electrolytes and non-electrolytes ii] strong and weak electrolytes iii] anode and cathode iv] electrolytic dissociation and ionisation with suitable examples.

State the i] electrolyte ii] cathode used iii] anode used iv] electrode reaction at cathode v] electrode reaction at anode iv] product at cathode and anode - during a] electroplating an article with nickel b] electroplating a spoon with silver c] purification of impure copper.

Define electrolysis. What is the mechanism for the electrolysis of ? (i) molten sodium chloride. (ii) aqueous sodium chloride.

What will be PH of aqueous solution of electrolyte in electrolytic cell during electrolysis of CuSO_(4) (Aq) between graphite electrodes ?

Give reasons for the following change i] pure water a non-electrolyte - becomes an electrolyte on addition of dil H_(2)SO_(4) ii] Blue colour ofaq CuSO_(4) - turns almost colourless on its electrolysis using Pt electrodes.

State the reason for difference in product formed at the anode during electrolysis of aq. CuSO_(4) soln. using i] active electrodes ii] inert electrode-platinum anode.

Write the equations for the reactions taking place at the two electrodes (mentioning clearly the name of the electrode ) during the electrolysis of Acidified copper sulphate solution with copper electrodes . (ii) Molten lead bromide with (graphite ) electrodes .

Which pair of electrolytes cannot be distinguished by the products of electrolysis using inert electrodes?

What do you understand by electrolysis ? What chemical processes occur during the electrolysis of aqueous solution of: (i) CuSO_(4) using platinum electrodes? (ii) CuSO_(4) using copper electrodes?

During electroplating of an article with nickel - i] Name a] The electrolyte b] The cathode c] The anode ii] Give the reaction of the electrolysis at a] The cathode b] The anode