Making a polyester

1 mark · Normal

Which of the following statements about polyesters is correct?

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Correct option: Polyesters are made from diols and dicarboxylic acids by condensation polymerisation.

Common mistakes: Picking addition polymerisation; Saying only one type of monomer is needed

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Marking points

A1 · 1 mark · Correctly selects 'Polyesters are made from diols and dicarboxylic acids by condensation polymerisation.'

Worked solution

Polyesters are formed by condensation polymerisation involving both a diol and a dicarboxylic acid, with loss of water.