introduction

• Alkanes are an example of a hydrocarbon sub group.
• A hydrocarbon is a compound containing only C and H.
• Alkanes form a homologous series
• What is the name of the molecule with molecular formula CH4?

  methane
• What is the name of the molecule with molecular formula C5H12?

  pentane
• What is the name of the molecule with molecular formula C2H6?

  Ethane
• What is the name of the molecule with molecular formula C7H16?

  Heptane
• The eight names of alkanes you need to know in order are:

  • methane
  • ethane
  • propane
  • butane
  • pentane
  • heptane
  • hexane
  • septane
  • octane
• What is the structural formula of pentane?

  CH3CH2CH2CH2CH3
• What is the structural formula of ethane?

  CH3CH3
• What is the general formula of an alkane?

  C(n)H(2n+2)
• Do alkanes have a functional group?

  No, this means that they are highly unreactive.