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2 marksPolymers

CSEC Chemistry · May/June 2009 · Paper 2 · Question 3(c)(ii)a)

Polyamides of type B can undergo both acid hydrolysis in the laboratory and enzyme hydrolysis in the body.

Draw the monomer formed when B undergoes acid hydrolysis.

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Other parts of this question

  1. 3(a)(i)Name the property of compounds upon which fractional distillation is based.[1 mark]
  2. 3(a)(ii)Name the lightest and heaviest fractions that are usually obtained from the fractional distillation of crude oil. Lightest fraction: Heaviest fraction:[2 marks]
  3. 3(a)(iii)State ONE use of EACH of the fractions named in (a) (ii) above. Lightest fraction: Heaviest fraction:[2 marks]
  4. 3(b)(i)Draw the structure of the product formed when Compound A reacts with EACH of the following: Bromine Sodium[2 marks]
  5. 3(b)(ii)Draw the partial structure of the polymer formed when Compound A undergoes ADDITION polymerisation with other molecules of A. Use three molecules of A in the…[2 marks]
  6. 3(c)(i)Name the type of polymerisation process involved in the formation of B.[1 mark]
  7. 3(c)(ii)b)State ONE difference in the reaction conditions required for acid hydrolysis when compared to enzyme hydrolysis of polyamides.[1 mark]

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