Window frames and water pipes are made from PVC. PVC is made from the monomer chloroethene, CH2=CHCl\mathrm{CH_{2}=CHCl}CH2=CHCl.
Give the chemical name of PVC.
Describe the structure of the repeat unit of PVC.
Explain why chloroethene can form an addition polymer.
PTFE has the repeat unit [−CF2−CF2−]n\mathrm{[-CF_{2}-CF_{2}-]_{n}}[−CF2−CF2−]n.
Give the formula of the monomer used to make PTFE.
Name the monomer used to make PTFE.
Give the repeat unit of poly(propene). The monomer propene is CH2=CHCH3\mathrm{CH_{2}=CHCH_{3}}CH2=CHCH3.
37 exam-style questions on Edexcel GCSE Chemistry 10.3 Polymers, covering 10.3.1 Addition polymerisation of alkenes, 10.3.2 Uses and properties of polymers, 10.3.3 Condensation polymers and polyesters, 10.3.4 Problems with polymers and recycling, and 10.3.5 Natural polymers: DNA, starch and proteins. Each one has a worked solution and a mark scheme showing where the marks go.