The stronger acid has to be predicted. Concept Introduction: Effect of delocalized electrons on pK a Values: Due to Inductive effect, an anion is stabilized by a nearby electronegative atom. In the same way, electron delocalization also effective on stabilization of anion. Rule: The strength of an acid depends on the stability of its conjugate base.

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Chapter 8, Problem 78P

(a)

Interpretation Introduction

Interpretation:

The stronger acid has to be predicted.

Concept Introduction:

Effect of delocalized electrons on pKaValues:

Due to Inductive effect, an anion is stabilized by a nearby electronegative atom. In the same way, electron delocalization also effective on stabilization of anion.

Rule: The strength of an acid depends on the stability of its conjugate base.

(b)

Interpretation Introduction

Interpretation:

The stronger base has to be predicted.

Concept Introduction:

Effect of delocalized electrons on pKaValues:

Due to Inductive effect, an anion is stabilized by a nearby electronegative atom. In the same way, electron delocalization also effective on stabilization of anion.

Rule: The strength of an acid depends on the stability of its conjugate base.

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