Chemistry - GOC Question with Solution | TestHub

(i) Pyrrole has 6 π electrons (2 C=C + N lone pair). (ii) 1-Methylimidazole has 6 π electrons (C=C, C=N and the N-$C{H}_3$ lone pair). (iii) 1,3-Dimethylimidazolium has 6 π electrons (C=C, C=$N^{+}$ and one N lone pair). All three are planar, cyclic, and aromatic.