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Polymers (A-level only)
This A-level-only topic extends polymer chemistry to condensation products and disposal issues.
4
Objectives
20
Flashcards
20
Questions
90 min
Study time
AQAA LevelChemistryOrganic chemistry
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Syllabus checklist
What you need to know
4 objective pages available
Polymerisation and polymer properties (A-level only)4 objectives
- Identify addition and condensation polymerisation reactions.
- Draw repeating units and monomers for polyesters and polyamides.
- Explain hydrolysis of condensation polymers.
- Discuss disposal and biodegradability of polymers.
Key terms
Addition PolymerisationCondensation PolymerisationMonomerPolyesterPolyamidehydrolysiscondensation polymerrepeating unitbiodegradable polymernon-biodegradable polymerpolymer disposal methods
Exam tips
- Understand Polymerisation Types: Explain clearly by familiarise yourself with the differences between addition and condensation polymerisation reactions. Link the point to Polymerisation and polymer properties (A-level only), then state the evidence, calculation, mechanism, observation, or conclusion required by the question.
- Practice Drawing Structures: Explain clearly by practice drawing the repeating units and monomers for common condensation polymers like polyesters and polyamides. Link the point to Polymerisation and polymer properties (A-level only), then state the evidence, calculation, mechanism, observation, or conclusion required by the question.
Common mistakes
- Confusing Polymer Types: Addition polymers are formed through the addition of monomers with double bonds, while condensation polymers are formed by the reaction of monomers that release small molecules like water. Remember to identify the type of reaction based on the monomers involved.
- Ignoring By-products in Condensation: In condensation polymerisation, always note that small molecules like water are released as by-products. This is crucial for understanding the reaction mechanism and the overall process.
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