Which one of the following reactions occurs at the anode when CuSO 4 solution is electrolysed using platinum electrodes?

Which one of the following reactions occurs at the anode when CuSO 4 solution is…

Chemistry · JEE Advanced · NTA Exams — Electrochemistry

Which one of the following reactions occurs at the anode when CuSO₄ solution is electrolysed using platinum electrodes?

Cu → Cu²⁺ + 2e^–
\(2 \mathrm{SO}_{4}^{2-}+2 \mathrm{H}_{2} \mathrm{O} \rightarrow 2 \mathrm{H}_{2} \mathrm{SO}_{4}+\mathrm{O}_{2}+4 \mathrm{e}^{-}\)
2H₂O → O₂ + 4H⁺ + 4e^–
\(\mathrm{SO}_{4}^{2-} \rightarrow \mathrm{SO}_{2}+\mathrm{O}_{2}+2 \mathrm{e}^{-}\)

(C) 2H 2 O → O 2 + 4H + + 4e –

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