Chemistry - GOC Question with Solution | TestHub

Pattern : a lone pair on ${\mathrm{N}}^{-}$ next to $\mathrm{C}=\mathrm{C}$ (aza-allyl anion). The N lone pair forms $\mathrm{N}=\mathrm{C}$ and the $\mathrm{C}=\mathrm{C}$ pi pair becomes a carbanion on the terminal carbon.