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Determine the structure or repeating unit of a condensation polymer from specified monomers and vice versa, focusing on: (a) polyamides from a dicarboxylic acid and a diamine (b) polyesters from a dicarboxylic acid and a diol.

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Cambridge IGCSE ChemistryOrganic chemistrySupplement content

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Determine the structure or repeating unit of a condensation polymer from specified monomers and vice versa, focusing on: (a) polyamides from a dicarboxylic acid and a diamine (b) polyesters from a dicarboxylic acid and a diol

  • This point belongs to Polymers, especially Polymers outcomes.
  • You need to be able to determine the structure or repeating unit of a condensation polymer from specified monomers and vice versa, focusing on: (a) polyamides from a dicarboxylic acid and a diamine (b) polyesters from a dicarboxylic acid and a diol.
  • The key ideas to know are Determine and Explain.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DetermineExplain

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Paper 4 structured question: Polymers

Paper 4Theory (Extended)1 marks

Description

Formation of Polyamides and Polyesters

Polyamides and polyesters are two types of condensation polymers formed from specific monomers. Polyamides are created from a dicarboxylic acid and a diamine, while polyesters are formed from a dicarboxylic acid and a diol. The structures of these polymers can be analyzed to identify their repeating units.

  1. a

    State the repeating unit of a polyester.

    Aim for approximately 1 distinct marking point.

    [1]
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