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3.4 Electrolysis

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Question 18
F

A student wants to electroplate an iron key with nickel.

Which set-up should the student use?

[1]
A

Key as the anode, nickel as the cathode, nickel sulfate solution as the electrolyte

B

Key as the cathode, nickel as the anode, iron sulfate solution as the electrolyte

C

Key as the cathode, graphite as the anode, sodium sulfate solution as the electrolyte

D

Key as the cathode, nickel as the anode, nickel sulfate solution as the electrolyte

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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