Q. 254.3( 3 Votes )

Which of the following does not belong to the same homologous series?
A. CH4

B. C2H6

C. C3H8

D. C4H8

Answer :

follows the general formula CnH2n, whereas other options follow the general formula CnH2n+2.

A homologous series is a series of carbon compounds that differ in the number of carbon atoms they have but possess the same functional group. Methane, ethane, propane, butane are part of alkane homologous series. The homologous series of a class of alcohols has the hydroxyl functional group.

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