alleryIn electrolysis of CuSO4 with Pt electrodes, the cathode product is:
ASO2
BO2 gas
CCu metal (Cu²⁺ + 2e⁻ → Cu)
DH2 gas
Answer & Solution
Correct answer: C. Cu metal (Cu²⁺ + 2e⁻ → Cu)
At cathode, reduction occurs.
Cu²⁺ is more easily reduced than H+ (in dilute solution).
So Cu²⁺ + 2e⁻ → Cu(s).
At anode, water/SO4²⁻ gets oxidized; O2 evolves.
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