CAIE IGCSE Chemistry 4.1.8 Transfer of Charge During Electrolysis Questions

Track ions and electrons in electrolysis and identify oxidation at the anode and reduction at the cathode.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • identify electron movement in the external circuit
  • state oxidation at the anode and reduction at the cathode
  • trace ion movement during molten and aqueous electrolysis
  • predict products from ionic discharge
  • distinguish electron transfer in electrolyte from external circuit flow

CAIE IGCSE Chemistry 4.1.8 Transfer of Charge During Electrolysis Questions question 1

[Maximum number: 1]

Which statement about electrolysis is correct?

A

Electrons move through the electrolyte from the cathode to the anode.

B

Electrons move in the external circuit towards the cathode.

C

Negative ions move in the external circuit towards the anode.

D

Positive ions move through the electrolyte towards the anode.

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