Edexcel IGCSE Chemistry · Spec 4.45-4.50C
Addition and Condensation Polymer Structures (Paper 2)
Covers construct addition-polymer repeat units, Deduce monomers from repeat units and Construct a polyester and explain biopolyester biodegradability.
Chemistry revision video
Addition and Condensation Polymer Structures (Paper 2)
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Spec 4.45-4.50C
What you need to know
- Construct addition-polymer repeat units
- Deduce monomers from repeat units
- Construct a polyester and explain biopolyester biodegradability
Active recall
Quick check
Answer each question before opening the answer.
How is C=C changed in addition polymerisation?
It opens to form single bonds in the backbone
Which monomers make a polyester?
A diol and a dicarboxylic acid
Why can some biopolyesters biodegrade?
Microorganisms or enzymes can break susceptible ester links
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