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Chemistry · Oct / Nov 2019 · Paper 12 · Question 33

5070Formulae, functional groups and terminology

Alkanes are saturated compounds containing carbon and hydrogen only. Structures 1, 2, 3 and 4 are saturated hydrocarbons. [Structures 1, 2, 3 and 4 shown] Which pair of structures are isomers?

  1. A1 and 2
  2. B1 and 4
  3. C2 and 3
  4. D2 and 4

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Correct answer: A. 1 and 2

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