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

Question

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

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Answer

(i) (a) The electrolyte — Aq. soln. of nickel sulphate (b) The cathode — Cleaned article to be electroplated (c) The anode — Plate or block of nickel metal

(ii) the reaction of the electrolysis at:

(a) At Cathode: Ni2+ + 2e– ⟶ Ni

(b) At Anode : Ni – 2e– ⟶ Ni2+

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