O-LevelChemistryOrganic Chemistry5070/11 · Oct/Nov 2025 · Q361 Mark

The structures of X and Y are shown. What is the structure of the polymer formed when X and Y react together?

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A-C-(CH2)4—C—Ņ─(CH2)6―Ņ─ O H H

B-C-(CH2)4-N-C-(CH2)6-N- H Ο H

C―C―(CH2)6—C—N─(CH2)4—Ņ─ O H H

D―C―(CH2)6─N—C—(CH2)4─N— H O H

✓ Correct answer

A: -C-(CH2)4—C—Ņ─(CH2)6―Ņ─ O H H

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2025 Paper 1 Variant 1, question 36.

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