A-LevelChemistryPolymerisationMay/June 2016Paper 1 Q211 Mark
Synthetic resins can be made by polymerisation of a variety of monomers including prop-2-en-1-ol, CH₂=CHCH₂OH. Which structure represents the repeat unit in poly(prop-2-en-1-ol)?
A[Structure of −CH₂−CH₂−CH₂−O− polymer repeat unit]
B[Structure of −CH₂−CH(CH₂OH)− polymer repeat unit]
C[Structure of −CH=C(CH₂OH)− polymer repeat unit]
D[Structure of −CH₂−CH₂−CH(OH)− polymer repeat unit]
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of polymerisation within the Chemistrysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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