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3.4 Electrolysis

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Question 12
F

Part of the reactivity series is shown, with the most reactive on the left. Hydrogen is included for comparison.

potassium, sodium, calcium, magnesium, aluminium, hydrogen, copper, silver, gold

Which solution produces a metal at the cathode when it is electrolysed using inert electrodes?

[1]
A

Aluminium sulfate solution

B

Calcium chloride solution

C

Sodium nitrate solution

D

Gold(III) chloride solution

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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