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Question

Question: The reaction occurring at anode when the electrolysis of an aqueous solution containing Na<sub>2</su...

The reaction occurring at anode when the electrolysis of an aqueous solution containing Na2SO4 and CuSO4 is done using Pt electrode is

A

Cu ¾® Cu2+ + 2e

B

2SO42– + 2H2O ¾® 2H2SO4 + O2 + 4e

C

2H2O ¾® O2 + 4H+ + 4e

D

2Cl¾® Cl2 + 2e

Answer

2H2O ¾® O2 + 4H+ + 4e

Explanation

Solution

Anodic reaction is 2H2O ¾® O2 + 4H+ + 4e