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Select the correct answer from the list given in brackets :
The ion which is discharged at the anode during the electrolysis of copper sulphate solutions using copper electrodes as anode and cathode.`[Cu^(2+) , OH^(-) SO_(4)^(2-) , H^(+)]`

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The correct Answer is:
`[Cu^(2+), OH^(1-),SO_(4)^(2-), H^(1+)]`
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