Essential Chemistry for IGCSE - Electricity And Chemistry (Section 2 - No. 23)
What happens at the anode during the electrolysis of copper (II) sulfate solution using inert electrodes?
Copper is deposited.
Oxygen gas is produced.
Hydrogen gas is produced.
The sulfate ions are oxidized.
Explanation
With inert electrodes, the hydroxide ions from the water are oxidized, forming oxygen gas.
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