C3f Electrolysis Question Higher

C3f Electrolysis Question Higher Paper

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  • Created by: Amira
  • Created on: 05-05-12 09:35
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C3fHigher only:
1. Compleat the electrode reactions in the
electrolysis of sodium chloride, during the
electrolysis of sodium chloride:
cathode 2H+ +2e H2
anode 4OH 4e 2H2O + O2
2. Complete the electrode reactions in the electrolytic extraction of aluminium:
cathode Al3+ +3e Al
anode 2O2 O2 + 4e

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