Out of the two resonance structures A and B, it is to be determined which one contributes more to the hybrid. Concept introduction: How well an atom accommodates a charge depends on its electronegativity. An atom with high electronegativity can better accommodate a negative charge while an atom with low electronegativity can better accommodate a positive charge. The resonance structure in which positive charge is available on less electronegative atom and negative charge is available on more electronegative atom, contributes more to the resonance hybrid.

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Chapter 6, Problem 6.28P

Interpretation Introduction

Interpretation:

Out of the two resonance structures A and B, it is to be determined which one contributes more to the hybrid.

Concept introduction:

How well an atom accommodates a charge depends on its electronegativity. An atom with high electronegativity can better accommodate a negative charge while an atom with low electronegativity can better accommodate a positive charge.

The resonance structure in which positive charge is available on less electronegative atom and negative charge is available on more electronegative atom, contributes more to the resonance hybrid.

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