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4.2 Electrolytic processes

4.2 Electrolytic processes

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Question 14

During the electrolysis of a dilute sodium sulfate solution, hydroxide ions (OH−\text{OH}^-OH−) are discharged at the anode to produce oxygen gas (O2\text{O}_2O2​) and water (H2O\text{H}_2\text{O}H2​O).

Write the balanced ionic half-equation for this process.

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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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