O-LevelChemistryStoichiometry5070/12 · May/June 2017 · Q101 Mark

Nitrogen monoxide and oxygen react to form nitrogen dioxide. 2NO(g) + O₂(g) → 2NO₂(g) What is the maximum volume of nitrogen dioxide that could be obtained when 1 dm³ of nitrogen monoxide reacts with 2 dm³ of oxygen?

A1 dm³

B2 dm³

C3 dm³

D4 dm³

✓ Correct answer

A: 1 dm³

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Topic: Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2017 Paper 1 Variant 2, question 10.

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