O-LevelChemistryOrganic Chemistry5070/12 · Oct/Nov 2015 · Q371 Mark

The structures of three hydrocarbons from the same homologous series are shown. [Structural diagrams W, X, Y] Which statement is correct?

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AAll three molecules are unsaturated hydrocarbons.

BAll three molecules have the same empirical formula.

CW has the lowest boiling point.

DX is an isomer of Y.

✓ Correct answer

C: W has the lowest boiling point.

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2015 Paper 1 Variant 2, question 37.

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