The difference in molecular weight between two successive compounds in alkane homologous series is _______.

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Solution

Two successive compounds in alkane homologous series differ by a $- C H_{2}$ group and thus the difference in weight is 14.

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The difference in molecular weight between two successive compounds in alkane homologous series is _______.

Two successive compounds in alkane homologous series differ by a −CH2 group and thus the difference in weight is 14.

Two successive compounds in alkane homologous series differ by a $- C H_{2}$ group and thus the difference in weight is 14.