O-LevelChemistryElectrolysis5070/11 · Oct/Nov 2022 · Q171 Mark

Aqueous copper(II) sulfate is electrolysed using inert electrodes. Which statement is correct?

ACopper is collected at the anode.

BHydrogen is collected at the cathode.

COxygen is collected at the anode.

DSulfur is collected at the cathode.

✓ Correct answer

C: Oxygen is collected at the anode.

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Topic: Electrolysis, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2022 Paper 1 Variant 1, question 17.

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