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A-LevelChemistryNitrogen and sulfur9701/12 · Oct/Nov 2022 · Q241 Mark

Photochemical smog is a type of air pollution produced in urban areas by the effect of sunlight on substances released from vehicle exhausts. Which mixture of primary pollutants leads to the formation of photochemical smog?

Acarbon dioxide and water vapour
Bcarbon monoxide and unburnt hydrocarbons
Cnitrogen oxide and unburnt hydrocarbons
Dsulfur dioxide and water vapour

✓ Correct answer

C: nitrogen oxide and unburnt hydrocarbons

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About this question

Topic
Nitrogen and sulfur, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, Oct/Nov 2022 Paper 1 Variant 2, question 24.

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