Question

in which of the following poly substitute place?

Answer 1

factor required for aromaticity

a) A planer (or near planar) cycle of $s{p}^2$ hybridized atoms, the p-orbitals of which are oliented parallel to each other. These ovalopping p-orbitals generate an away of $\pi$- molecular orbitals.

b) These $\pi$-orbitals are occupied by $4n+2$ $e^{-}$ This requirement is known as $H\ddot{u}ckel$ rule