The resonance structure of the adenine molecule which is part of the DNA should be drawn. Concept Introduction: Sometimes the chemical bonding of a molecule cannot be represented using a single Lewis structure. In these cases, the chemical bonding are described by delocalization of electrons and is known as resonance. All the possible resonance structures are imaginary whereas the resonance hybrid is real. Any of the possible structure does not exist as such like a stable real molecule. So it is not possible to isolate one resonance structure. While drawing resonance structure of a molecule some rules should be followed where the position, over whole charge and chemical framework remains intact. Also only π and nonbonding electron has been moved in all the three resonance structures.

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Chapter 6, Problem 6.42QP

Interpretation Introduction

Interpretation: The resonance structure of the adenine molecule which is part of the DNA should be drawn.

Concept Introduction: Sometimes the chemical bonding of a molecule cannot be represented using a single Lewis structure. In these cases, the chemical bonding are described by delocalization of electrons and is known as resonance.

All the possible resonance structures are imaginary whereas the resonance hybrid is real. Any of the possible structure does not exist as such like a stable real molecule. So it is not possible to isolate one resonance structure.

While drawing resonance structure of a molecule some rules should be followed where the position, over whole charge and chemical framework remains intact. Also only π and nonbonding electron has been moved in all the three resonance structures.

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