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(A) homologous series is a group of organic compounds having the same functional group and similar chemical properties,where each successive member di

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$14$

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(A) homologous series is a group of organic compounds having the same functional group and similar chemical properties,where each successive member differs by a $-CH_2$ (methylene) group.Since the atomic mass of $C$ is $12$ and $H$ is $1$,the molar mass of a $-CH_2$ group is $12 + (2 	imes 1) = 14 \ g/mol$.Therefore,the numerical difference in the molar masses of any two successive members (such as the second and third members) is $14$.

What is the numerical difference in molar masses of the second and third members of a homologous series?

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