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Chemistry · Oct / Nov 2022 · Paper 11 · Question 17

5070Electrolysis

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

  1. ACopper is collected at the anode.
  2. BHydrogen is collected at the cathode.
  3. COxygen is collected at the anode.
  4. DSulfur is collected at the cathode.

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Correct answer: C. Oxygen is collected at the anode.

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