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Polymers (A-level only)

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Question 8

Which of the following represents the repeating unit of a polyester?

A

−CO−CH2−CO−NH−CH2−CH2−NH−-\text{CO}-\text{CH}_2-\text{CO}-\text{NH}-\text{CH}_2-\text{CH}_2-\text{NH}-−CO−CH2​−CO−NH−CH2​−CH2​−NH−

B

−CH2−CH(COOH)−-\text{CH}_2-\text{CH}(\text{COOH})-−CH2​−CH(COOH)−

C

−CO−CH2−CO−O−CH2−CH2−O−-\text{CO}-\text{CH}_2-\text{CO}-\text{O}-\text{CH}_2-\text{CH}_2-\text{O}-−CO−CH2​−CO−O−CH2​−CH2​−O−

D

−CH2−CH(OH)−-\text{CH}_2-\text{CH}(\text{OH})-−CH2​−CH(OH)−

Markscheme

Polymers (A-level only) Questions

  1. A Level
  2. /Chemistry
  3. /Polymers (A-level only)

11 exam-style questions on AQA A Level Chemistry Polymers (A-level only), covering Condensation polymers (A-level only) and Biodegradability and disposal of polymers (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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