characteristics of homologous series
Answers
All the members of homologous series contain same functional group. Members of a homologous series can be represented by a general formula. All the members of a homologous series have same chemical properties due to same functional group. Generally all the members of a series can be prepared by using same method.
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Four characteristics of a homologous series are:
(i) The general formula of all compounds in the series is the same.
(ii) They have the same functional group.
(iii) Their physical properties such as melting point, boiling point, density, generally show a gradual change with increase of molecular formula in the series.
(iv) Their chemical properties show close similarities due to the pressure of the same functional group in them.
(v) Consecutive members of the series differ from each other by -CH2- group which is known as the methylene group and their molecular weight differs by 14 units.