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An aqueous solution of CuSO4 is electrolyszed using Pt electrodes in one case and Cu electrodes in another case. What are the products of electrolysis in both the cases ? Select the correct answer from above options

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a. When Pt electrodes are used : At anode :H2O→2H⊕+ 1 2 O2+2e- [Since oxidation potential of H2O> oxidation potential of SO 2- 4 ion] At cathode :Cu2++2e-→Cu ( Since reduction potential of Cu> reduction potential of H2O) . b. When Cu electrode are used : At anode :Cu dissolves into solution to form Cu2+ ions. At cathode :Cu is depostited as cathdoe. Since both the reduction and oxidation potential of Cu2+ and Cu is greater than that of H2O .

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