Learning objective
When these monomers react they join together, usually losing small molecules such as water, so the reactions are called condensation reactions.
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Topic
Reactions of alkenes and alcohols (chemistry only)
Subtopic
Polymerisation and naturally occurring polymers
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Quick explanation
When these monomers react they join together, usually losing small molecules such as water, so the reactions are called condensation reactions
- This point belongs to Reactions of alkenes and alcohols (chemistry only), especially Polymerisation and naturally occurring polymers.
- You need to be able to when these monomers react they join together, usually losing small molecules such as water, so the reactions are called condensation reactions.
- The key ideas to know are monomer.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Polymerisation and naturally occurring polymers to exam-style questions, flashcards, and revision notes for Reactions of alkenes and alcohols (chemistry only).
Quick student answer
What should you know about when these monomers react they join together, usually losing small molecules such as water, so the reactions are called condensation reactions?
Direct answer
In Chemistry, this page helps you answer questions about when these monomers react they join together, usually losing small molecules such as water, so the reactions are called condensation reactions within Reactions of alkenes and alcohols (chemistry only). Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are monomer and condensation reaction.
Key terms
- monomer: A small molecule that can join together with other monomers to form a polymer.
- condensation reaction: A reaction where monomers join together, usually losing small molecules such as water.
Common trap
Confusing condensation with addition polymerisation: Explain that in condensation polymerisation two functional groups on each monomer react, forming a covalent bond and releasing a small molecule such as water; contrast this with addition polymerisation where monomers join without loss of small molecules.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Describe alkenes as hydrocarbons with a double carbon-carbon bond.
Structure and formulae of alkenes
- State the general formula for the homologous series of alkenes as CnH2n.
Structure and formulae of alkenes
- Explain that alkenes are unsaturated because they contain two fewer hydrogen atoms than the alkane with the same number of carbon atoms.
Structure and formulae of alkenes
- Recall the first four members of the homologous series of alkenes as ethene, propene, butene and pentene.
Structure and formulae of alkenes
- Represent alkene molecules in displayed, structural and molecular formula forms.
Structure and formulae of alkenes