A-LevelChemistryHydrocarbons9701/12 · Oct/Nov 2009 · Q171 Mark

Most modern cars are fitted with three-way catalytic converters in the exhaust system. Which three gases are removed by such a catalytic converter?

Acarbon monoxide, hydrocarbons, nitrogen oxides

Bcarbon monoxide, carbon dioxide, nitrogen oxides

Ccarbon monoxide, nitrogen oxides, sulfur dioxide

Dhydrocarbons, nitrogen oxides, sulfur dioxide

✓ Correct answer

A: carbon monoxide, hydrocarbons, nitrogen oxides

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Topic: Hydrocarbons, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2009 Paper 1 Variant 2, question 17.

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