Write any 4 characteristic features of homologous series of organic compounds?


The compounds in solid, liquid or gaseous state which contain carbon in its molecule are known as organic compounds. Organic compounds can be broadly classified as acyclic or cyclic compounds.

Characteristics of homologous series:

  • A group or a series of organic compounds in which each member contains the same characteristic functional group and differs from each other by a fixed unit form a homologous series and therefore its members are known as homologous.
  • The members of the homologous series can be represented by a general formula.
  • The successive members differ from each other in the molecular formula by a CH2 unit.

Examples: Alkanes – methane (CH3), ethane (C2H6).

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