O-LevelChemistryOrganic Chemistry5070/11 · May/June 2018 · Q401 Mark

Which partial structure represents nylon?

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A-[unspecified chain]-C(=O)-O-[unspecified chain]-C(=O)-O-

B-[unspecified chain]-C(=O)-N(H)-[unspecified chain]-[unspecified chain]-N(H)-

C-[unspecified chain]-C(=O)-N(H)-[unspecified chain]-[unspecified chain]-N(H)-

D-[unspecified chain]-C(=O)-O-[unspecified chain]-C-[unspecified chain]-C(=O)-O-

✓ Correct answer

C: -[unspecified chain]-C(=O)-N(H)-[unspecified chain]-[unspecified chain]-N(H)-

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2018 Paper 1 Variant 1, question 40.

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