O-LevelChemistryBonding & Structure5070/11 · May/June 2014 · Q71 Mark

Graphite is often used as the electrodes in the electrolysis of solutions. Which particles are involved in the conduction of electricity by graphite?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Aelectrons only

Bnegative ions only

Cpositive ions and electrons

Dpositive ions and negative ions

✓ Correct answer

A: electrons only

Oracle Prep sorts past-paper questions by topic, so you can drill Bonding & Structure and see which topics are most likely to come up next.

Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2014 Paper 1 Variant 1, question 7.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content