O-LevelChemistryOrganic Chemistry5070/12 · May/June 2019 · Q391 Mark

Monomer Z is used to make poly(chloroethene). What is monomer Z?

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AStructure of propene (CH2=CH-CH3).

BStructure of 1,2-dichloroethene (CHCl=CHCl).

CStructure of chloroethene (CH2=CHCl).

DStructure of 1,1-dichloroethene (CH2=CCl2).

✓ Correct answer

C: Structure of chloroethene (CH2=CHCl).

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2019 Paper 1 Variant 2, question 39.

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