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1 markAcid/Base Equilibria

CAPE Chemistry Unit 1 · 2006 · Paper 1 · Question 6(a)(i)

Figure 5 shows part of the primary structure of a macromolecule, A, which is a sequence of monomer units.

How many monomer units are present in this portion of the macromolecule?

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Other parts of this question

  1. 6(a)(ii)Draw the displayed structure of two monomers used to make A.[2 marks]
  2. 6(b)To what class of compounds do the monomers and macromolecule, A, belong?[2 marks]
  3. 6(c)(i)Name the type of reaction that occurs when nylon 6.6 or A is boiled with concentrated hydrochloric acid.[1 mark]
  4. 6(c)(ii)Copy the structure of A and use it to illustrate the changes that occur during the reaction described in (c)(i) above.[1 mark]
  5. 6(c)(iii)Draw the fully displayed structure of ONE product of the reaction described in (c)(i) above.[1 mark]
  6. 6(d)State ONE common structural feature and ONE different structural feature in nylon 6.6 and A.[2 marks]

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