O-LevelChemistryOrganic Chemistry5070/11 · Oct/Nov 2017 · Q351 Mark

Compounds S and T both contain two elements only. The compounds have the following properties. • They both burn in air to form carbon dioxide and water only. • They both react with chlorine by substitution. • S has a higher boiling point than T. What could compounds S and T be?

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Aethane, propane

Bethene, propene

Cpropane, ethane

Dpropene, ethene

✓ Correct answer

C: propane, ethane

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 1, question 35.

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