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Chemistry · May / June 2026 · Paper 12 · Question 33

5070Alkenes

An unbranched alkene, C4H8, undergoes an addition reaction with bromine. What is the possible structure of the product?

  1. ACH3CHBrCH2CH2Br
  2. BCH3CHBrCHBrCH3
  3. CCH2BrCH2CH2CH2Br
  4. DCH3CH2CH2CH2Br

As printed in the paper

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Correct answer: B. CH3CHBrCHBrCH3

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