Chemistry 0620 · IGCSE · Electrolysis

Electrolysis — practice question

Iron may be electroplated with zinc so that it becomes resistant to corrosion. Which row concerning the electroplating of iron with zinc is correct?

  • Apositive electrode (anode): iron; negative electrode (cathode): zinc; electrolyte: iron nitrate
  • Bpositive electrode (anode): iron; negative electrode (cathode): zinc; electrolyte: zinc nitrate
  • Cpositive electrode (anode): zinc; negative electrode (cathode): iron; electrolyte: iron nitrate
  • Dpositive electrode (anode): zinc; negative electrode (cathode): iron; electrolyte: zinc nitrate

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