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CAIE A-Level Chemistry AS 20.1.3 Monomer S Present Questions

Practise working backwards from CAIE 9701 addition-polymer sections to identify the alkene monomer or monomers, including substituted and copolymer chains.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • reconstruct an alkene monomer from an addition-polymer repeat unit by restoring the carbon–carbon double bond
  • identify both alkene monomers in a copolymer section by separating its carbon-chain substituent pattern
  • distinguish alkene positional isomers when tracing a substituted polymer chain back to its monomer

CAIE A-Level Chemistry AS 20.1.3 Monomer S Present Questions question 1

[Maximum number: 1]

A section showing two repeat units of an addition polymer is shown.

Figure for Question CAIE A-Level Chemistry AS 20.1.3 Monomer S Present Questions question 1 — CAIE A-Level Chemistry AS

What is the identity of the monomer that produced this polymer?

A

2-chloro-3-methylbutane

B

2-chloro-3-methylbut-2-ene

C

2-chloropent-2-ene

D

2,4-dichloro-3,3,4,5-tetramethylhexane

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