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2 marksOrganic Chemistry - An Introduction

CSEC Chemistry · May/June 2012 · Paper 2 · Question 3(a)(i)

The fully displayed structures of two hydrocarbons, A and B, are shown. Both A and B react with chlorine, but under different conditions.

Write the names of the homologous series to which A and B belong. Homologous series for A: Homologous series for B:

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  1. 3(a)(ii)Write the general formulae for EACH homologous series named in (i) above. General formula for homologous series of A: General formula for homologous series of…[2 marks]
  2. 3(a)(iii)a)State ONE necessary condition for B to react with chlorine.[1 mark]
  3. 3(a)(iii)b)Draw the FULLY displayed structures of the organic products for the reactions of A and B with chlorine.[4 marks]
  4. 3(b)(i)State the role of K2Cr2O7 in the conversion of D to E.[1 mark]
  5. 3(b)(ii)Write a balanced equation for the reaction of E with solid magnesium oxide (MgO).[2 marks]
  6. 3(b)(iii)Describe ONE chemical test that could be used to identify the gas given off from the reaction of Compound E with solid calcium carbonate. Include the expected…[2 marks]
  7. 3(b)(iv)State the name of the homologous series to which Compound J belongs.[1 mark]

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