Chemistry - AMINES Question with Solution | TestHub

Basic character$\propto \mathrm{ }+\mathrm{I}$effect
$-{\mathrm{CH}}_2{\mathrm{CH}}_3$exert$+\mathrm{I}$effect so, more the number of$-{\mathrm{CH}}_2{\mathrm{CH}}_3$groups more is the basic character.
$\mathrm{N}{\mathrm{H}}_3<\underset{1^{\mathrm{o}}\text{\hspace{0.17em}Amine}}{\mathrm{C}{\mathrm{H}}_3\mathrm{C}{\mathrm{H}}_2\mathrm{N}{\mathrm{H}}_2}<\underset{2^{\mathrm{o}}\text{\hspace{0.17em}Amine}}{{\left(\mathrm{C}{\mathrm{H}}_3\mathrm{C}{\mathrm{H}}_2\right)}_2\mathrm{N}\mathrm{H}}$