The Homologues Series

• Homologues series is groups of carbon based substances
• They have

  • The same general formula
  • Neighboring molecules differ by CH2
  • Similar chemical properties
  • A trend in physical properties
• Alkanes formula

  CnH2n+2
• Alkenes Formula

  CnH2n
• Alkanes are saturated hydrocarbons with the general formula CnH2n+2
• Alkenes are unsaturated hydrocarbons with one or more double bonds between carbon atoms.
• Carbons Name

  1 Meth-

  2 Eth-

  3 Prop-

  4 But-
• Alkane Formulas

  A) CH4

  B) C2H6

  C) C3H8

  D) C4H10

  E) C5H12

  
• Alkene Formulas

  A) C2H4

  B) C3H6

  C) C4H8

  D) C5H10

  E) C6H12