O-LevelChemistryOrganic Chemistry5070/11 · May/June 2011 · Q331 Mark

Compound X is a hydrocarbon. It reacts with steam to form an alcohol. Which type of compound is X and what would be its effect on bromine water?

Aalkane, turns from brown to colourless

Balkane, turns from colourless to brown

Calkene, turns from brown to colourless

Dalkene, turns from colourless to brown

✓ Correct answer

C: alkene, turns from brown to colourless

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2011 Paper 1 Variant 1, question 33.

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