Homologous Series in Organic Compounds

Classified in Chemistry

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Homologous Series

A series of organic compounds having similar structures and similar chemical properties in which the successive members differ in their molecular formula by -CH2 group.

The different members of the series are called homologous.

Characteristics of Homologous Series

All the member of a homologous series can be described by a common general formula.

Example: All alkane can be described by the general formula CnH2n+2.

Each member of a homologous series differ from its higher and lower neighbouring members by a common difference of -CH2 group.

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