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4 marksElectrochemistry

CSEC Chemistry · January 2017 · Paper 2 · Question 2(b)(i)

Desiree wants to set up apparatus for the electrolysis of molten lead bromide, PbBr₂.

Draw a fully labelled diagram of the apparatus she should use and state the material from which the electrodes are made.

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Other parts of this question

  1. 2(a)(i)Define the term 'electrolysis'.[2 marks]
  2. 2(a)(ii)Define the term 'electroplating'.[2 marks]
  3. 2(a)(iii)List THREE other applications of electrolysis.[3 marks]
  4. 2(b)(ii)Write balanced equations to indicate the reactions which occur at EACH electrode. Equation at anode: Equation at cathode:[4 marks]

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