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4 marksFunctional Group Analysis, Reactions and Mechanisms

CAPE Chemistry Unit 2 · 2015 · Paper 2 · Question 1(b)(ii)

Using appropriate notation and equations, explain the steps involved in the mechanism of the chemical reaction of aqueous bromine with propane (in sunlight) OR aqueous bromine with propene (without sunlight).

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Other parts of this question

  1. 1(a)(i)Identify the process represented by the equation.[1 mark]
  2. 1(a)(ii)State the conditions at A.[1 mark]
  3. 1(a)(iii)Write the condensed structural formulae of B and C.[2 marks]
  4. 1(b)(i)Account for the tetravalency of the carbon atom.[2 marks]
  5. 1(b)(iii)Name the mechanism of the reaction selected in (b)(ii).[1 mark]
  6. 1(c)(i)Describe the observations expected when aqueous bromine is added to liquid heptane (in sunlight).[2 marks]
  7. 1(c)(ii)Describe the observations expected when acidified potassium permanganate solution is added to liquid heptene (without sunlight).[2 marks]

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