O-LevelChemistryStoichiometry5070/11 · Oct/Nov 2011 · Q371 Mark

A hydrocarbon, C₃Hᵧ, burns in air to form carbon dioxide and water. C₃Hᵧ(g) + 5O₂(g) → 3CO₂(g) + y/2 H₂O(g) What is the value of y?

✓ Correct answer

D: 8

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Topic: Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2011 Paper 1 Variant 1, question 37.

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