Organic Chemistry

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11.1 Homologous series

  • A set of compounds with one repeating functional group
Functional Group Name Functional Group
Aldehyde -CHO
Ketone -CO-
Alcohol -OH
Carboxylic Acid -COOH
Amine -NH2
Amide -CONH2
Halogenoalkane -X (Any Halogen)
Ester -COO-
Ether -O-

Physical Properties of Alkanes

  • As chain length increases, so does boiling point, as an increased number of electrons causes stronger Van de Waal forces
  • The increase in boiling temperature is rapid at first, but flattens off
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