A-LevelChemistryNitrogen and sulfur9701/12 · May/June 2020 · Q351 Mark

In the atmosphere, which transformations can involve sulfur dioxide as either a reagent or a catalyst? 1 NO2 to NO 2 NO to NO2 3 CO to CO2

A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

D: 1 only is correct

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Topic: Nitrogen and sulfur, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2020 Paper 1 Variant 2, question 35.

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