Addition polymers for AQA A-level Chemistry

Addition polymers

This page covers the following topics:

1. Addition polymerisation
2. Polyethene
3. Polypropene
4. Polychloroethene
5. Polytetrafluoroethene

The diagram shows the general equation for addition polymerisation, where a polymer is formed from alkenes.

Addition polymerisation

The equation shows the formation of polyethene through addition polymerisation.

Polyethene

The equation shows the formation of polypropene through addition polymerisation.

Polypropene

The equation shows the formation of polychloroethene (PVC) through addition polymerisation.

Polychloroethene

The equation shows the formation of polytetrafluoroethene through addition polymerisation.

Polytetrafluoroethene

1

Is polychloroethene stronger or weaker than polyethene?

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stronger

Is polychloroethene stronger or weaker than polyethene?

2

W, X, Y or Z cannot be representative of which of the following: Cl, F, O₂, CH₃?

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O₂

W, X, Y or Z cannot be representative of which of the following: Cl, F, O₂, CH₃?

3

Which of the following is not an alternative name for polypropene: polypyrene, polypropylene, polyprene?

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polypyrene

Which of the following is not an alternative name for polypropene: polypyrene, polypropylene, polyprene?

4

Draw polypropene with 3 repeating units.

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image

Draw polypropene with 3 repeating units.

5

What properties of PVC make it suitable for use in gas and water pipes?

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Its is strong and durable.

What properties of PVC make it suitable for use in gas and water pipes?

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