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4.2 Electrolytic processes

4.2 Electrolytic processes

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Question 6

An aqueous solution of sodium chloride contains several different ions.

Which ions are attracted to the negative electrode (cathode) during the electrolysis of this solution?

A

Cl−\text{Cl}^-Cl− ions only

B

H+\text{H}^+H+ and Na+\text{Na}^+Na+ ions

C

OH−\text{OH}^-OH− ions only

D

Cl−\text{Cl}^-Cl− and OH−\text{OH}^-OH− ions

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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