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4.2 Electrolytic processes

4.2 Electrolytic processes

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Question 18

During the electrolysis of dilute sodium sulfate solution, oxygen gas is produced at the positive electrode (anode).

Explain how oxygen gas is formed at the anode.

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Markscheme

4.2 Electrolytic processes Questions

  1. GCSE
  2. /Chemistry
  3. /4.2 Electrolytic processes

83 exam-style questions on Edexcel GCSE Chemistry 4.2 Electrolytic processes, covering 4.2.1 Electrolytes and the process of electrolysis, 4.2.2 Products of electrolysis using inert electrodes, 4.2.3 Half equations, oxidation and reduction in electrolysis, and 4.2.4 Electrolysis of copper sulfate and purifying copper. Each one has a worked solution and a mark scheme showing where the marks go.

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