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1 markOrganic Chemistry - An Introduction

CSEC Chemistry · May/June 2010 · Paper 2 · Question 3(a)(i)

But-1-ene (1-butene) and but-2-ene (2-butene) are structural isomers of molecular formula C₄H₈.

Define 'structural isomerism'.

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Other parts of this question

  1. 3(a)(ii)Draw fully displayed structures of but-1-ene and but-2-ene.[2 marks]
  2. 3(a)(iii)Draw and name ONE OTHER structural isomer of C₄H₈.[3 marks]
  3. 3(a)(iv)State ONE physical property of C₄H₈.[1 mark]
  4. 3(b)(i)What is meant by a 'functional group'?[1 mark]
  5. 3(b)(ii)Complete Table 3 by identifying the reagents or reaction conditions and drawing the fully displayed structures of the products.[7 marks]

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