JAMB - Chemistry (1978 - No. 23)

Which of the following is not a member of the homologous series of the paraffins (alkanes)?
C3H8
C5H12
C7H16
C15H32
C24H48

Explanation

  • Methane. CH4.
  • Ethane. C2H6 
  • Propane. C3H8 
  • Butane. C4H10
  • Pentane. C5H12
  • Hexane. C6H14
  • Heptane. C7H16
  • Octane. C8H18
  • The formula for Alkanes is CnH\(_{2n+2}\)

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