because if it is not planar then the electron delocalization will not take place . it's because if the lobes are not in the same plane then electron wil not be able to change their position hence lobes need to be parallel therefore molecule should be planar.
Preparing for JEE?
Kickstart your preparation with new improved study material - Books & Online Test Series for JEE 2014/ 2015
@ INR 5,443/-
For Quick Info
Find Posts by Topics