Chemistry 5070 · O Level · Electrolysis

Electrolysis — practice question

Dilute aqueous solutions of potassium chloride and magnesium chloride are combined. An aliquot of the resulting mixture is electrolysed with inert electrodes. What products may be formed at each electrode?

  • Aanode: chlorine; cathode: oxygen
  • Banode: chlorine; cathode: potassium
  • Canode: oxygen; cathode: hydrogen
  • Danode: oxygen; cathode: magnesium

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