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Chemistry · May / June 2025 · Paper 12 · Question 12

5070Electrolysis

The diagram shows the electrolysis of molten lead bromide with inert electrodes. Which row identifies the particles that carry charge along each arrow?

  1. Abromide ions, electrons, lead ions, electrons
  2. Belectrons, electrons, bromide ions, lead ions
  3. Celectrons, electrons, bromide ions, electrons
  4. Delectrons, electrons, electrons, electrons

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Correct answer: C. electrons, electrons, bromide ions, electrons

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