A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · Oct/Nov 2009 · Q11 Mark

0.200 mol of a hydrocarbon undergo complete combustion to give 35.2 g of carbon dioxide and 14.4 g of water as the only products. What is the molecular formula of the hydrocarbon?

AC2H4

BC2H6

CC4H4

DC4H8

✓ Correct answer

D: C4H8

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

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