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2 marksOrganic Chemistry - An Introduction

CSEC Chemistry · January 2010 · Paper 2 · Question 4(b)(iii)

Structures of four hydrocarbons, a, b, c and d, are shown.

Which TWO hydrocarbons belong to the same homologous series? Give ONE reason for your answer.

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Other parts of this question

  1. 4(a)(i)State whether or not the bulb will glow for EACH substance. Explain your answer for EACH substance.[4 marks]
  2. 4(a)(ii)a)State which substance causes the bulb to glow more brightly.[3 marks]
  3. 4(a)(ii)b)Explain why the substance you have stated at a) causes the bulb to glow brighter than the other substance.[3 marks]
  4. 4(a)(iii)Write a balanced ionic equation for the reaction occurring at the cathode for any of the substances in Pair 2.[2 marks]
  5. 4(b)(i)Give the name for structure a.[1 mark]
  6. 4(b)(ii)State which of these hydrocarbons are isomers.[2 marks]
  7. 4(b)(iv)Write the general formula of the isomers identified in (iii) above.[1 mark]

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