1.

The reaction taking place at anode when an aqueous solution of CuSO_4 is electrolysed using inert Pt electrode:

Answer»

`2SO_4^(2-) rarrS_2O_3^(2-) +2E`
`CU^(2+) +2e rarrCu`
`2H_2O rarrO_2+4H^+ +4e`
`2H^+ +2e rarrH_2`

ANSWER :C


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