A-LevelChemistryPolymerisation9701/12 · May/June 2022 · Q391 Mark
Cyclohexene, as shown in the diagram, can form an addition polymer. [Figure showing cyclohexene] Which structure represents a section of the polymer?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
ASkeletal diagram showing a polymer backbone with pendant cyclohexyl groups.
BSkeletal diagram showing a polymer backbone formed by two adjacent carbons of saturated cyclohexyl rings, with the rest of the rings forming loops off the backbone.
CSkeletal diagram showing a polymer backbone formed by two adjacent carbons of saturated cyclohexyl rings, with the rest of the rings forming loops off the backbone, depicted with a slightly different orientation from B.
DSkeletal diagram showing a polymer backbone formed by fused saturated cyclohexyl rings.
✓ Correct answer
C: Skeletal diagram showing a polymer backbone formed by two adjacent carbons of saturated cyclohexyl rings, with the rest of the rings forming loops off the backbone, depicted with a slightly different orientation from B.
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