Cyanide
= Cyanide
$\mathrm{CN^-}$. Its carbon end can act as a <nucleophile> toward an alkyl leaving group to form a nitrile with one additional carbon.
= Cyanide
$\mathrm{CN^-}$. Its carbon end can act as a <nucleophile> toward an alkyl leaving group to form a nitrile with one additional carbon.