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4.2 Electrolytic processes

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Question 26
F

Which statement correctly links electrode, ion and product in molten aluminium oxide?

[1]
A

O2−\mathrm{O^{2-}}O2− moves to the cathode and forms oxygen

B

Al3+\mathrm{Al^{3+}}Al3+ moves to the anode and forms aluminium

C

Al3+\mathrm{Al^{3+}}Al3+ moves to the cathode and forms aluminium

D

O2−\mathrm{O^{2-}}O2− moves to the anode and forms aluminium

Markscheme

4.2 Electrolytic processes Questions

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

52 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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