Essential Chemistry for IGCSE - Electricity And Chemistry (Section 4 - No. 30)
Which of the following statements are true about electrolysis of copper(II) sulfate solution using inert electrodes?
Copper is deposited at the cathode.
Oxygen gas is produced at the anode.
The concentration of copper(II) ions increases.
Hydrogen is produced at the anode.
Explanation
Copper ions are reduced to copper at the cathode, and hydroxide ions (from water) are oxidized to form oxygen gas at the anode.
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