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3.4 Electrolysis

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Question 6
F

Sodium chloride solution is electrolysed using inert electrodes.

Statement 1: Chlorine is made at the anode.

Statement 2: Sodium is made at the cathode.

Statement 3: Sodium ions and hydroxide ions are left in the solution.

Statement 4: The hydrogen made comes from hydrogen ions in the solution.

Which statements are correct?

[1]
A

1 and 2 only

B

1 and 3 only

C

1, 3 and 4 only

D

2, 3 and 4 only

Markscheme

3.4 Electrolysis Questions

  1. GCSE
  2. /Chemistry
  3. /3.4 Electrolysis

52 exam-style questions on OCR GCSE Chemistry 3.4 Electrolysis, covering 3.4.1 Products formed at the electrodes in electrolysis and 3.4.2 The technique of electrolysis. Each one has a worked solution and a mark scheme showing where the marks go.

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