O-LevelChemistryOrganic Chemistry5070/12 · May/June 2020 · Q351 Mark

The alkenes are a homologous series. Which statement about alkenes is correct?

AAn alkene molecule contains four fewer hydrogen atoms than an alkane molecule with the same number of carbon atoms.

BIf a food is described as polyunsaturated it means that it contains polymers.

CPropene reacts with steam to form propanol.

DThe general formula for the alkenes is CnH2n+2.

✓ Correct answer

C: Propene reacts with steam to form propanol.

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2020 Paper 1 Variant 2, question 35.

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