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What is meant by homologous series? |
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Answer» The length of the carbon chains in carbon compounds is different their chemical properties are very much similar due to the presence of the same functional group in them. The series of compounds formed by joining the same functional group in place of a particular hydrogen atom on the chains having sequentially increasing length is called homologous series. Two adjacent members of the series differ by only one -CH2– (methylene) unit and their mass differ by 14 units. The homologous series of straight chain alkanes can be represented by the general formula CnH2n + 2. The members of this series are as follows:
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