8.27 Predict the products of electrolysis in each of the following:

(iv) An aqueous solution of CuCl2 with platinum electrodes

Answers (1)

Answer-

(iv) In aqueous solution CuCl_{2} ionise into Cu^{2+} and 2Cl^{-}

At the cathode, the copper ion will be deposited because it has a higher reduction potential than the water molecule

At the anode, the lower electrode potential value will be preferred but due to overpotential of oxygen, chloride ion gets oxidized at the anode.

@ Anode-  2Cl^{-}\rightarrow Cl_{2}+2e^{-}

@ cathode- Cu^{2+}+2e^{-}\rightarrow Cu

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