O-LevelChemistryOrganic Chemistry5070/11 · May/June 2022 · Q391 Mark

Poly(ethene) is formed by ......1...... polymerisation of ethene. The formation of nylon and Terylene are examples of ......2...... polymerisation. Proteins contain the same ......3...... linkage as nylon. Fats contain the same ......4...... linkage as Terylene. On hydrolysis, proteins form ......5...... . Which words correctly complete gaps 1–5?

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Aaddition; condensation; amide; ester; amino acids

Baddition; condensation; amide; ester; simple sugars

Caddition; condensation; ester; amide; amino acids

Dcondensation; addition; ester; amide; simple sugars

✓ Correct answer

A: addition; condensation; amide; ester; amino acids

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2022 Paper 1 Variant 1, question 39.

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