O-LevelChemistryOrganic Chemistry5070/11 · May/June 2020 · Q341 Mark

A molecule of the compound C4H6 is shown. This molecule undergoes an addition reaction with excess bromine and an addition reaction with steam. One molecule of C4H6 reacts with ......1...... of bromine. When C4H6 reacts with steam, ......2... is formed. Which words complete gaps 1 and 2?

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A1: one molecule, 2: an alcohol

B1: one molecule, 2: a carboxylic acid

C1: two molecules, 2: an alcohol

D1: two molecules, 2: a carboxylic acid

✓ Correct answer

C: 1: two molecules, 2: an alcohol

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2020 Paper 1 Variant 1, question 34.

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