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4.3 Electrolysis

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Question 2
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Molten lead bromide is electrolysed. Which row describes how the ions move?

[1]
A

Pb2+\text{Pb}^{2+}Pb2+ to the anode and Br−\text{Br}^-Br− to the cathode

B

Pb2+\text{Pb}^{2+}Pb2+ to the anode and Br−\text{Br}^-Br− to the anode

C

Pb2+\text{Pb}^{2+}Pb2+ to the cathode and Br−\text{Br}^-Br− to the cathode

D

Pb2+\text{Pb}^{2+}Pb2+ to the cathode and Br−\text{Br}^-Br− to the anode

Markscheme

4.3 Electrolysis Questions

  1. GCSE
  2. /Chemistry
  3. /4.3 Electrolysis

40 exam-style questions on AQA GCSE Chemistry 4.3 Electrolysis, covering 4.3.1a The process of electrolysis, 4.3.1b Half equations in electrolysis, 4.3.2 Electrolysis of molten ionic compounds, 4.3.3 Using electrolysis to extract metals, 4.3.4 Electrolysis of aqueous solutions, and 4.3.5 Representation of reactions at electrodes as half equations. Each one has a worked solution and a mark scheme showing where the marks go.

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