Question 4
HThe figure shows part of the structure of a polyester made from ethanediol and hexanedioic acid.
Figure: Part of the structure of a polyester chain
a.[1]
Name the type of link that joins the monomer units together in this polymer.
b.[2]
Explain how the structure in the figure shows that a small molecule was lost each time two monomer units joined together.
c.[1]
Give the reason why this polymer is described as a condensation polymer.
7.3 Synthetic and naturally occurring polymers Questions
40 exam-style questions on AQA GCSE Chemistry 7.3 Synthetic and naturally occurring polymers, covering 7.3.1 Addition polymerisation, 7.3.2 Condensation polymerisation, 7.3.3 Amino acids, and 7.3.4 DNA (deoxyribonucleic acid) and other naturally occurring polymers. Each one has a worked solution and a mark scheme showing where the marks go.