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7.3 Synthetic and naturally occurring polymers

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Question 3

A polymer is made by addition polymerisation.

The repeating unit of the polymer is [-CH2-C(CH3)2-]n\left[\text{-CH}_2\text{-C(CH}_3\text{)}_2\text{-}\right]_n[-CH2​-C(CH3​)2​-]n​. Which molecule could have been its monomer?

[1]
A

CH2=C(CH3)2\text{CH}_2\text{=C(CH}_3\text{)}_2CH2​=C(CH3​)2​

B

CH2=CH-CH3\text{CH}_2\text{=CH-CH}_3CH2​=CH-CH3​

C

CH3-CH=CH-CH3\text{CH}_3\text{-CH=CH-CH}_3CH3​-CH=CH-CH3​

D

CH3-CH(CH3)-CH3\text{CH}_3\text{-CH(CH}_3\text{)-CH}_3CH3​-CH(CH3​)-CH3​

Markscheme

7.3 Synthetic and naturally occurring polymers Questions

  1. GCSE
  2. /Chemistry
  3. /7.3 Synthetic and naturally occurring polymers

94 exam-style questions on AQA GCSE Chemistry 7.3 Synthetic and naturally occurring polymers, covering 7.3.1 Addition polymerisation, 7.3.2 Condensation polymerisation, 7.3.3 Amino acids, and 7.3.4 DNA (deoxyribonucleic acid) and other naturally occurring polymers. Each one has a worked solution and a mark scheme showing where the marks go.

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