Question
Define a functional group and give the structural formula of the following functional group:
(a) Ketons
(b) Alcohols\
(c) Aldehydes

Answer

The names and the structural formula of first three members of the homologous series of alkane are:
(i) $CH_4$ Methane

(ii) $C_2H_6$ ​​​​​​​Ethane

(iii) $C_3H_8$​​​​​​​ Propane

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