Question

what is the structural formula of third higher homologue of CH3CH2COOH​

Answer 1

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CH3-CH2-NH2 is a member of primary amines homologous series. 3rd higher homologue of ethyl amine is pentyl amine

Answer 2

CH3-CH2-NH2 is a member of primary amines homologous series. 3rd higher homologue of ethyl amine is pentyl amine.