Chapter 13, Problem 3PP

Interpretation Introduction

Interpretation:

The resonance structures for each of the given compounds are to be written.

Concept introduction:

In the conjugated systems, conjugation is the interaction of p-orbitals with one another across an intervening sigma bond.

A conjugated system, in simple words, can be represented as a system in which compounds have alternate double bonds and single bonds.

The delocalization of unpaired electrons results in the increase of stability of the primary, secondary, and tertiary carbocations.

Resonance is defined as the movement of pi-electrons from one carbon to another in order to stabilize the charged intermediates.

Having a higher resonance or more resonant structures means more stability.

Resonant structures do not actually exist on their own. It is a study of the mechanism for the formation of an organic compounds.

Only electrons can be moved while writing resonance structures.

All structures should be in proper Lewis structures.

All resonance structures should have the same number of unpaired electrons.

All atoms that contribute in the delocalized $\pi$-electron system must lie in or near the plane.