Chemistry - GOC Question with Solution | TestHub

The exocyclic $\mathrm{C}=\mathrm{C}$ bond is polarised ($\mathrm{C}{\mathrm{H}}_2^{-}$ and ring ${\mathrm{C}}^{+}$), leaving a cyclopropenyl cation ring with 2π (4n+2, n = 0). Aromatic.