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3.4 Electrolysis

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Question 3

A compound is electrolysed using inert electrodes. Hydrogen gas is produced at the cathode and iodine is produced at the anode.

Which electrolyte could have produced these products?

[1]
A

Aqueous zinc iodide

B

Aqueous zinc sulfate

C

Molten zinc iodide

D

Aqueous copper(II) sulfate

Markscheme

3.4 Electrolysis Questions

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

98 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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