A-LevelChemistryReaction kinetics9701/12 · May/June 2022 · Q241 Mark

A catalytic converter reduces the amount of pollutants in the fumes from a car exhaust. Which row identifies a pollutant and shows how it is removed by the action of the catalyst?

Acarbon dioxide, reduced to carbon

Bcarbon monoxide, oxidised to carbon dioxide

Coxides of nitrogen, oxidised to nitric acid

Dunburnt hydrocarbons, oxidised to carbon dioxide and hydrogen

✓ Correct answer

B: carbon monoxide, oxidised to carbon dioxide

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

Topic: Reaction kinetics, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2022 Paper 1 Variant 2, question 24.

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