Chemistry 0620 · IGCSE · Electrolysis

Electrolysis — practice question

In two different experiments, an electric current was passed through concentrated aqueous sodium chloride and through molten lead(II) bromide. What would be observed in both experiments?

  • AA halogen would be formed at the anode.
  • BA metal would be formed at the cathode.
  • CHydrogen would be formed at the anode.
  • DHydrogen would be formed at the cathode.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI