\(\mathrm{N}\left(\mathrm{sp}^3\right.\), localized lone pair \()>\mathrm{N}\left(\mathrm{sp}^2\right.\), localized lone
pair \()>\mathrm{N}\left(\mathrm{sp}^2\right.\), delocalized lone pair, aromatic)
\(\therefore\) Piperidine \(>\) Pyridine \(>\) Pyrrole
$(A) \,\,CH_3-CH_2-NH_2$
$I.$ ક્લોરોબેન્ઝિન
$II.$ બેન્ઝિન
$III.$ એનિલિનિયમ ક્લોરાઈડ
$IV.$ ટોલ્યુઇન