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Chemistry · Oct / Nov 2025 · Paper 11 · Question 33

5070Alkanes

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

  1. ACH3CH3 + Cl2 → CH3CH3Cl + Cl
  2. BCH3CH3 + Cl2 → CH3CH2Cl + HCl
  3. CCH3CH3 + Cl2 → CH2ClCH2Cl + H2
  4. DCH3CH3 + Cl2 → CH2CH2 + 2HCl

As printed in the paper

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Correct answer: B. CH3CH3 + Cl2 → CH3CH2Cl + HCl

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