A-LevelChemistryPolymerisation9701/12 · May/June 2017 · Q61 Mark

Which reaction involves a decrease in the bond angle at a carbon atom?

Abromoethane refluxed with ethanolic sodium hydroxide

Bcomplete combustion of methane in air

Cethanol heated with conc. H₂SO₄

Dpolymerisation of ethene

✓ Correct answer

D: polymerisation of ethene

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Topic: Polymerisation, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2017 Paper 1 Variant 2, question 6.

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