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2 marksPolymers

CSEC Chemistry · May/June 2013 · Paper 2 · Question 3(b)(ii)

Glucose is a small molecule that contains several OH groups, and can be polymerized to form starch.

Use THREE units of glucose (monomer from Part (b) (i)) to show how the monomers are linked together in a partial structure of starch.

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Other parts of this question

  1. 3(a)Explain what is meant by the term 'cracking'.[2 marks]
  2. 3(b)(i)Draw a structural representation of glucose.[1 mark]
  3. 3(b)(iii)State the type of polymerization reaction that glucose undergoes to form starch, and the name of the family of polymers to which starch belongs.[1 mark]
  4. 3(c)(i)Describe how the structure of the protein is affected by acid hydrolysis.[2 marks]
  5. 3(c)(ii)Draw the structure of the monomer unit that results from the acid hydrolysis of the structure shown in Figure 3.[2 marks]
  6. 3(d)(i)a)Identify TWO monomers that will undergo condensation polymerization[2 marks]
  7. 3(d)(i)b)Identify ONE monomer that will undergo addition polymerization.[1 mark]
  8. 3(d)(ii)State the name of the family of polymers that will be formed when monomers P and R react together.[1 mark]

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