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CAPE Chemistry Unit 2 · 2014 · Paper 1 · Question Q7

In the reaction between ethene and bromine, which statements about the reaction mechanism may be true? I. A carbocation forms in the rate determining step. II. A dative covalent bond forms between the bromide ion and ethene. III. Heterolytic fission of the bromine-bromine bond occurs.

  1. (A)I only
  2. (B)I and II only
  3. (C)II and III only
  4. (D)I, II and III

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