The best arrangement for the carboxyl group with respect to its formal charge is to be determined. Concept introduction: For many molecules, it is impossible to explain all properties by a single Lewis structure. In such cases, more than one Lewis structures are drawn to explain the properties. Such structures of a compound are called resonating structures and the phenomenon is called resonance. Due to their attraction towards electrons, ions and molecules acquire some charge which is called formal charge. Formal charge is given by: Total number of valence electrons in a free atom - total number of associated electrons

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Chapter 8.9, Problem 1PPA

Interpretation Introduction

Interpretation:

The best arrangement for the carboxyl group with respect to its formal charge is to be determined.

Concept introduction:

For many molecules, it is impossible to explain all properties by a single Lewis structure. In such cases, more than one Lewis structures are drawn to explain the properties. Such structures of a compound are called resonating structures and the phenomenon is called resonance.

Due to their attraction towards electrons, ions and molecules acquire some charge which is called formal charge.

Formal charge is given by:

Total number of valence electrons in a free atom - total number of associated electrons

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