The electronic configuration of benzene anion has to be predicted and its pi bond energy has to be calculated. Concept Introduction: Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system. The pi orbitals of benzene in the increasing order of energy is as follows, 1 π < 2 π < 3 π < 4 π α + β Where 2 π a n d 3 π are doubly degenerate orbitals which can occupy a maximum of 4 electrons. 1 π a n d 2 π are bonding orbitals & 3 π a n d 4 π are anti-bonding orbitals. The energy of bonding pi orbital is α + 2 β and the energy of doubly degenerate bonding pi orbital is α + β . The energy of anti-bonding pi orbital is α − 2 β and the energy of doubly degenerate anti-bonding pi orbital is α − β . Benzene contain six pi electrons. And the electronic configuration of benzene can be written as follow, 1 π 2 < 2 π 4 So the pi bonding energy of benzene can be calculated as follows, E = 2 ( α + 2 β ) + 4 ( α + β ) = 6 α + 6 β

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Answer 1

Question

Chapter 9, Problem 9.16P

(a)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene anion has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals & 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons. And the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

E=2(α+2β)+4(α+β)=6α+6β

(b)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene cation has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals and 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons and the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

π bondingenergy of benzene,E=2(α+2β)+4(α+β)=6α+6β

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Answer 2

Question

Chapter 9, Problem 9.16P

(a)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene anion has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals & 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons. And the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

E=2(α+2β)+4(α+β)=6α+6β

(b)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene cation has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals and 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons and the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

π bondingenergy of benzene,E=2(α+2β)+4(α+β)=6α+6β

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Answer 3

Question

Chapter 9, Problem 9.16P

(a)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene anion has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals & 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons. And the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

E=2(α+2β)+4(α+β)=6α+6β

(b)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene cation has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals and 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons and the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

π bondingenergy of benzene,E=2(α+2β)+4(α+β)=6α+6β

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Answer 4

Question

Chapter 9, Problem 9.16P

(a)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene anion has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals & 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons. And the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

E=2(α+2β)+4(α+β)=6α+6β

(b)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene cation has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals and 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons and the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

π bondingenergy of benzene,E=2(α+2β)+4(α+β)=6α+6β

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Answer 5

Chapter 9, Problem 9.16P

(a)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene anion has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals & 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons. And the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

E=2(α+2β)+4(α+β)=6α+6β

(b)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene cation has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals and 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons and the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

π bondingenergy of benzene,E=2(α+2β)+4(α+β)=6α+6β

Answer 6

Chapter 9, Problem 9.16P

(a)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene anion has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals & 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons. And the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

E=2(α+2β)+4(α+β)=6α+6β

Answer 7

Chapter 9, Problem 9.16P

(a)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene anion has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals & 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons. And the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

E=2(α+2β)+4(α+β)=6α+6β

Answer 8

(b)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene cation has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals and 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons and the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

π bondingenergy of benzene,E=2(α+2β)+4(α+β)=6α+6β

Answer 9

(b)

Interpretation Introduction

Interpretation:

The electronic configuration of benzene cation has to be predicted and its pi bond energy has to be calculated.

Concept Introduction:

Huckel method is used to determine the energy of molecular orbitals that contains pi electrons. This method is applied for conjugated pi electron system.

The pi orbitals of benzene in the increasing order of energy is as follows,

1π<2π<3π<4πα+β

Where 2π and 3π are doubly degenerate orbitals which can occupy a maximum of 4 electrons.

1π and 2π are bonding orbitals and 3π and 4π are anti-bonding orbitals.

The energy of bonding pi orbital is α+2β and the energy of doubly degenerate bonding pi orbital is α+β. The energy of anti-bonding pi orbital is α−2β and the energy of doubly degenerate anti-bonding pi orbital is α−β.

Benzene contain six pi electrons and the electronic configuration of benzene can be written as follow,

1π2<2π4

So the pi bonding energy of benzene can be calculated as follows,

π bondingenergy of benzene,E=2(α+2β)+4(α+β)=6α+6β

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 9 - Prob. 9A.1ST Ch. 9 - Prob. 9A.2ST Ch. 9 - Prob. 9A.3ST Ch. 9 - Prob. 9A.5ST Ch. 9 - Prob. 9B.2ST Ch. 9 - Prob. 9B.3ST Ch. 9 - Prob. 9B.4ST Ch. 9 - Prob. 9C.1ST Ch. 9 - Prob. 9C.3ST Ch. 9 - Prob. 9D.1ST

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