Quelpr
1 markPolymers

CSEC Chemistry · January 2010 · Paper 2 · Question 3(b)(i)

The polymerisation of ethene is represented in Equation 1. The polymerisation reaction between a di-acid and a di-alcohol is represented in the unbalanced Equation 2.

Which of the Equations in (b) above shows addition polymerisation?

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 3(a)Define the term 'polymer'.[2 marks]
  2. 3(b)(ii)Give the name of EACH of the polymers shown in Equation 1 and Equation 2.[2 marks]
  3. 3(b)(iii)State ONE use of EACH of the polymers named in (ii) above.[2 marks]
  4. 3(c)(i)Write a balanced equation for the reaction of ethanoic acid with magnesium metal, Mg (s).[2 marks]
  5. 3(c)(ii)Would this reaction take place at room temperature?[1 mark]
  6. 3(d)(i)On the diagram, circle the peptide bond (link) that is found in proteins.[1 mark]
  7. 3(d)(ii)Based on the partial protein structure given above, draw the fully displayed structure of an amino acid that would be produced upon hydrolysis.[2 marks]
  8. 3(d)(iii)State TWO conditions under which proteins can be hydrolysed.[2 marks]

More practice: the rest of this paper · more Polymers questions · all CSEC Chemistry past papers