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O-LevelChemistryOrganic Chemistry5070/11 · Oct/Nov 2025 · Q341 Mark

Which compound reacts with hydrogen in an addition reaction?

ACH3CHCHCH3
BCH3CH2CH2CH3
CCH3CH2CH2COOH
DCH3CH2CH2CH2OH

✓ Correct answer

A: CH3CHCHCH3

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About this question

Topic
Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2025 Paper 1 Variant 1, question 34.

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