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4.2 Electrolytic processes

4.2 Electrolytic processes

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Question 54

Table 1 shows the mass of the silver cathode and the appearance of the silver nitrate solution before and after an electrolysis experiment.

Table 1

Mass of cathode (g)Appearance of silver nitrate solution
Before electrolysis3.15Clear, colourless solution
After electrolysis3.48Clear, colourless solution

Explain, in terms of ions, the change in mass of the cathode shown in Table 1.

[2]
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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