O-LevelChemistryOrganic Chemistry5070/12 · Oct/Nov 2016 · Q391 Mark

How many of the structures show an unsaturated hydrocarbon molecule? [Chemical structures: O=C=O, CH3-CH2-CH2-CH3, CH3-CH=CH2, CH3-C(=O)-OH]

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A: 1

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2016 Paper 1 Variant 2, question 39.

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