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O-LevelChemistryOrganic Chemistry5070/11 · Oct/Nov 2025 · Q331 Mark

Which equation represents the reaction of ethane with chlorine in the presence of ultraviolet light?

ACH3CH3 + Cl2 → CH3CH3Cl + Cl
BCH3CH3 + Cl2 → CH3CH2Cl + HCl
CCH3CH3 + Cl2 → CH2ClCH2Cl + H2
DCH3CH3 + Cl2 → CH2CH2 + 2HCl

✓ Correct answer

B: CH3CH3 + Cl2 → CH3CH2Cl + HCl

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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 33.

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