Homologous Series

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Homologous series- A GROUP OF COMPOUNDS THAT CAN ALL BE REPRESTENTED BY THE SAME GENERAL FORMULA. 

  • Each molecule differs from it's neighbour by CH2 
  • There is a gradual trend in physical properties such as melting or boiling points along the series 

Alkanes 

This is the simplest homologous series, and it has the general formula of CnH2n+2, n is an integer 1,2,3,4,5 etc. 

CH4- Methane

C2H6-Ethane 

C3H8-Propane 

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