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4.2 Electrolytic processes

4.2 Electrolytic processes

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Question 7

When an aqueous solution of potassium nitrate, KNO3\text{KNO}_3KNO3​, is electrolysed, the products formed at the electrodes are hydrogen and oxygen.

Explain the formation of these products at the electrodes.

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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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