A-LevelChemistryNitrogen and sulfur9701/12 · May/June 2014 · Q141 Mark

Ammonium sulfate in the soil is slowly oxidised by air, producing sulfuric acid, nitric acid and water as the only products. How many moles of oxygen gas are needed for the complete oxidation of one mole of ammonium sulfate?

✓ Correct answer

D: 4

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Topic: Nitrogen and sulfur, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2014 Paper 1 Variant 2, question 14.

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