During the electrolysis of the aqueous solution of copper sulphate using `Pt` electrode, the reaction taking place at anode electrode is

Options

A. ` Curarr Cu^(2+) + 2e`
B. ` 2SO_4^(2-) + 2 H_2 Orarr 2H_2 SO_4 +O_2+4e`
C. ` 2H_2OrarrO_2 +4H^+ +4e`
D. ` 2Cl^(-) rarr Cl_2+ 2e`

Answer

C

Explanation

Anodic reaction is ` 2H_2O rarrO_2+4H^(+) +4e`.