O-LevelChemistryOrganic Chemistry5070/12 · Oct/Nov 2020 · Q401 Mark

The diagram shows the repeat unit of a polymer. Which row correctly identifies the monomer and type of polymerisation involved in making this polymer?

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Amonomer: [Diagram shows but-1-ene (CH2=CH-CH2CH3)], type of polymerisation: addition

Bmonomer: [Diagram shows but-1-ene (CH2=CH-CH2CH3)], type of polymerisation: condensation

Cmonomer: [Diagram shows propene (CH2=CH-CH3)], type of polymerisation: addition

Dmonomer: [Diagram shows propene (CH2=CH-CH3)], type of polymerisation: condensation

✓ Correct answer

A: monomer: [Diagram shows but-1-ene (CH2=CH-CH2CH3)], type of polymerisation: addition

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2020 Paper 1 Variant 2, question 40.

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