Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Chapter
Synthetic Polymers
107 practice questions
Topics covered
Practice questions
11–20 of 43 · Easy
Question 11
3 marks · Easy
Answer and see the solution →The table shows the formulae of some monomers and their corresponding polymers.
Polymer Monomer formula poly(ethene) CH2=CH2 poly(chloroethene) CH2=CHCl poly(propene) CH3CH=CH2 (a)[1 mark]Which polymer in the table is made from a monomer containing a chlorine atom?
(b)[1 mark]Give the name of the monomer used to make poly(ethene).
(c)[1 mark]Write the structural formula of poly(propene)'s repeat unit.
Question 12
1 mark · Easy
Answer and see the solution →Write the displayed formula of the monomer used to make poly(ethene).
Question 13
3 marks · Easy
Answer and see the solution →Tetrafluoroethene is an alkene that can be polymerised to form poly(tetrafluoroethene).
(a)[1 mark]Give the molecular formula of tetrafluoroethene.
(b)[1 mark]Write the repeat unit of poly(tetrafluoroethene) as a formula.
(c)[1 mark]State one use of poly(tetrafluoroethene).
Question 14
2 marks · Easy
Answer and see the solution →A polymer is formed by the addition polymerisation of chloroethene. Each repeat unit in the polymer has the formula .
Calculate the total number of chlorine atoms in the polymer when it consists of 200 repeat units.
Question 15
2 marks · Easy
Answer and see the solution →The repeat unit of a polymer is shown below:
Explain how you can deduce the structure of the monomer used to form this polymer.
Question 16
2 marks · Easy
Answer and see the solution →A sample of poly(chloroethene) (PVC) contains 600 repeat units. Each repeat unit has the formula .
Calculate the total number of chlorine atoms present in the polymer sample.
Question 17
1 mark · Easy
Answer and see the solution →State why addition polymers such as poly(ethene) are considered non-biodegradable.
Question 18
3 marks · Easy
Answer and see the solution →(a)[1 mark]State one reason why addition polymers remain in landfill sites for many years.
(b)[1 mark]Name one environmental problem that can result from the accumulation of waste addition polymers.
(c)[1 mark]Give one advantage of recycling addition polymers instead of disposing of them in landfill.
Question 19
2 marks · Easy
Answer and see the solution →A country produces 1,500,000 tonnes of plastic waste each year. If 60% of it is made of addition polymers, calculate the mass of addition polymer waste produced per year. Give your answer in tonnes.
Question 20
2 marks · Easy
Answer and see the solution →Explain why burying addition polymers in landfill sites is not a sustainable solution for managing plastic waste.