DP Chemistry (first assessment 2025)

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Question 21M.1A.SL.TZ1.27

Date	May 2021	Marks available	[Maximum mark: 1]	Reference code	21M.1A.SL.TZ1.27
Level	SL	Paper	1A	Time zone	TZ1
Command term	Identify	Question number	27	Adapted from	N/A

27.

[Maximum mark: 1]

21M.1A.SL.TZ1.27

Which monomer would produce the polymer shown?

A. ${CF}_{3} {CCl}_{2} F$

B. ${CF}_{3} CClHF$

C. ${CF}_{2} CClF$

D. ${CF}_{2} {CF}_{2}$

[1]

Markscheme

C

Syllabus sections

Structure 2. Models of bonding and structure » Structure 2.4—From models to materials » Structure 2.4.5—Addition polymers form by the breaking of a double bond in each monomer. Represent the repeating unit of an addition polymer from given monomer structures.

Structure 2. Models of bonding and structure » Structure 2.4—From models to materials » Structure 2.4.6—Condensation polymers form by the reaction between functional groups in each monomer with the release of a small molecule. Represent the repeating unit of polyamides and polyesters from given monomer structures.