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4.2 Electrolytic processes

4.2 Electrolytic processes

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Question 23

An aqueous solution of copper(II) bromide, CuBr2(aq)\text{CuBr}_2\text{(aq)}CuBr2​(aq), is electrolysed using inert graphite electrodes.

What are the products formed at the cathode (negative electrode) and the anode (positive electrode) respectively?

A

copper at the cathode and bromine at the anode

B

hydrogen at the cathode and bromine at the anode

C

copper at the cathode and oxygen at the anode

D

hydrogen at the cathode and oxygen at the anode

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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