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Chemistry · Oct / Nov 2017 · Paper 11 · Question 40

5070Polymers

The diagram shows the repeat unit of a polymer. [repeat unit: -[CH2-C(CH3)(H)]n-] Which row correctly identifies the monomer and type of polymerisation involved in making this polymer?

  1. Amonomer: CH2=CH(C2H5); type of polymerisation: addition
  2. Bmonomer: CH2=CH(C2H5); type of polymerisation: condensation
  3. Cmonomer: CH3-CH=CH2; type of polymerisation: addition
  4. Dmonomer: CH3-CH=CH2; type of polymerisation: condensation

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Correct answer: A. monomer: CH2=CH(C2H5); type of polymerisation: addition

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