The resonance structures for basic green 4 that illustrates the delocalization of positive charge have to be drawn. Concept Introduction: The unshared electrons of an atom that does not involve in bonding are called lone pair. Curved arrows are necessary in drawing the resonance structure. Curved arrows has a head indicating that the electrons are coming and tail indicating that the electrons are going. The two rules in drawing the resonance structure is, Breaking of single bond is not allowed. Never exceed an octet for second row elements. When a single Lewis structure does not represent a structure adequately, the true structure is the intermediate between the two or more structure referred to as resonance structure. Delocalization of charges- When the charge is spread over more than one atom, then the resulting partial charges is more stable than a full positive charge.

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Chapter 2, Problem 74IP

(a)

Interpretation Introduction

Interpretation:

The resonance structures for basic green 4 that illustrates the delocalization of positive charge have to be drawn.

Concept Introduction:

The unshared electrons of an atom that does not involve in bonding are called lone pair.

Curved arrows are necessary in drawing the resonance structure.

Curved arrows has a head indicating that the electrons are coming and tail indicating that the electrons are going.

The two rules in drawing the resonance structure is,

Breaking of single bond is not allowed.

Never exceed an octet for second row elements.

When a single Lewis structure does not represent a structure adequately, the true structure is the intermediate between the two or more structure referred to as resonance structure.

Delocalization of charges- When the charge is spread over more than one atom, then the resulting partial charges is more stable than a full positive charge.

(b)

Interpretation Introduction

Interpretation:

The resonance structures for basic green 4 that illustrates the delocalization of positive charge have to be drawn.

Concept Introduction:

When a single Lewis structure does not represent a structure adequately, the true structure is the intermediate between the two or more structure referred to as resonance structure.

Structure with lower energy has more stable resonance structure due to the delocalization of electrons.

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