CAIE A-Level Chemistry 20.1.2 Addition-Polymer Repeat Units
Practise drawing a repeat unit from an alkene monomer and reversing a polymer segment to recover the monomer.
- Syllabus
- 2028–2030
- Course
- Chemistry 9701
- Level
- AS
Exam points
- replace the monomer C=C with a C–C backbone bond while keeping each substituent on the same carbon
- draw brackets around the smallest repeating section with continuation bonds crossing both sides
- recover the alkene by selecting two adjacent backbone carbons and restoring their double bond
20.1.2—Repeat units of addition polymers question 1
Organic compounds can be distinguished using chemical tests and analytical techniques.
D2 forms polymer Z when heated gently.
Draw one repeat unit of polymer Z.
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