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Chemistry · May / June 2016 · Paper 12 · Question 38

5070Polymers

The diagram shows the structure of poly(dichloroethene). [structure of poly(dichloroethene) shown] Which statement about this polymer is correct?

  1. AThe monomer is [structure: Cl-C(H)=C(Cl)-H].
  2. BThe monomer is [structure: H-C(Cl)=C(Cl)-H].
  3. CThe polymer is formed by a condensation reaction.
  4. DThe polymer has a lower melting point than the monomer.

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Correct answer: A. The monomer is [structure: Cl-C(H)=C(Cl)-H].

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