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
2Cl–¾® Cl2 + 2e
Answer
2H2O ¾® O2 + 4H+ + 4e
Explanation
Solution
Anodic reaction is 2H2O ¾® O2 + 4H+ + 4e