(a) Interpretation: Total number of Π electrons present in a polycyclic hydrocarbon coronene is to be determined. Concept introduction: Each C=C double bond consists of two Π electrons.

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Answer 1

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Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 14, Problem 14.45P

Interpretation Introduction

(a)

Interpretation:

Total number of Π electrons present in a polycyclic hydrocarbon coronene is to be determined.

Concept introduction:

Each C=C double bond consists of two Π electrons.

Interpretation Introduction

(b)

Interpretation:

It is to be explained whether the number of Π electrons in the given compound is consistent with the fact that the compound is aromatic.

Concept introduction:

A molecule, to be aromatic, must obey Huckel’s rule (4n+2)π electrons. Huckel’s rule for aromaticity states that if a species possesses a pi system of molecular orbitals constructed from p-orbitals that are fully conjugated around a ring (sp2 hybridized), then the species is:

Aromatic, if the number of electrons in that π- system is 2,6,10,14,1,and so on.

Antiaromatic if the number of electrons in that π- system is 4,8,12,16,20,and so on.

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For each reaction below, decide if the first stable organic product that forms in solution will create a new C-C bond, and check the appropriate box. Next, for each reaction to which you answered "Yes" to in the table, draw this product in the drawing area below. Note for advanced students: for this problem, don't worry if you think this product will continue to react under the current conditions - just focus on the first stable product you expect to form in solution. NH2 CI MgCl ? Will the first product that forms in this reaction create a new CC bond? Yes No MgBr ? Will the first product that forms in this reaction create a new CC bond? Yes No G टे

For each reaction below, decide if the first stable organic product that forms in solution will create a new CC bond, and check the appropriate box. Next, for each reaction to which you answered "Yes" to in the table, draw this product in the drawing area below. Note for advanced students: for this problem, don't worry if you think this product will continue to react under the current conditions - just focus on the first stable product you expect to form in solution. དྲ。 ✗MgBr ? O CI Will the first product that forms in this reaction create a new C-C bond? Yes No • ? Will the first product that forms in this reaction create a new CC bond? Yes No × : ☐ X

Predict the major products of this organic reaction: OH NaBH4 H ? CH3OH Note: be sure you use dash and wedge bonds when necessary, for example to distinguish between major products with different stereochemistry. Click and drag to start drawing a structure. ☐ : S

Answer 2

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 14, Problem 14.45P

Interpretation Introduction

(a)

Interpretation:

Total number of Π electrons present in a polycyclic hydrocarbon coronene is to be determined.

Concept introduction:

Each C=C double bond consists of two Π electrons.

Interpretation Introduction

(b)

Interpretation:

It is to be explained whether the number of Π electrons in the given compound is consistent with the fact that the compound is aromatic.

Concept introduction:

A molecule, to be aromatic, must obey Huckel’s rule (4n+2)π electrons. Huckel’s rule for aromaticity states that if a species possesses a pi system of molecular orbitals constructed from p-orbitals that are fully conjugated around a ring (sp2 hybridized), then the species is:

Aromatic, if the number of electrons in that π- system is 2,6,10,14,1,and so on.

Antiaromatic if the number of electrons in that π- system is 4,8,12,16,20,and so on.

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Answer 3

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 14, Problem 14.45P

Interpretation Introduction

(a)

Interpretation:

Total number of Π electrons present in a polycyclic hydrocarbon coronene is to be determined.

Concept introduction:

Each C=C double bond consists of two Π electrons.

Interpretation Introduction

(b)

Interpretation:

It is to be explained whether the number of Π electrons in the given compound is consistent with the fact that the compound is aromatic.

Concept introduction:

A molecule, to be aromatic, must obey Huckel’s rule (4n+2)π electrons. Huckel’s rule for aromaticity states that if a species possesses a pi system of molecular orbitals constructed from p-orbitals that are fully conjugated around a ring (sp2 hybridized), then the species is:

Aromatic, if the number of electrons in that π- system is 2,6,10,14,1,and so on.

Antiaromatic if the number of electrons in that π- system is 4,8,12,16,20,and so on.

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Answer 4

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 14, Problem 14.45P

Interpretation Introduction

(a)

Interpretation:

Total number of Π electrons present in a polycyclic hydrocarbon coronene is to be determined.

Concept introduction:

Each C=C double bond consists of two Π electrons.

Interpretation Introduction

(b)

Interpretation:

It is to be explained whether the number of Π electrons in the given compound is consistent with the fact that the compound is aromatic.

Concept introduction:

A molecule, to be aromatic, must obey Huckel’s rule (4n+2)π electrons. Huckel’s rule for aromaticity states that if a species possesses a pi system of molecular orbitals constructed from p-orbitals that are fully conjugated around a ring (sp2 hybridized), then the species is:

Aromatic, if the number of electrons in that π- system is 2,6,10,14,1,and so on.

Antiaromatic if the number of electrons in that π- system is 4,8,12,16,20,and so on.

Expert Solution & Answer

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Answer 5

Chapter 14, Problem 14.45P

Interpretation Introduction

(a)

Interpretation:

Total number of Π electrons present in a polycyclic hydrocarbon coronene is to be determined.

Concept introduction:

Each C=C double bond consists of two Π electrons.

Interpretation Introduction

(b)

Interpretation:

It is to be explained whether the number of Π electrons in the given compound is consistent with the fact that the compound is aromatic.

Concept introduction:

A molecule, to be aromatic, must obey Huckel’s rule (4n+2)π electrons. Huckel’s rule for aromaticity states that if a species possesses a pi system of molecular orbitals constructed from p-orbitals that are fully conjugated around a ring (sp2 hybridized), then the species is:

Aromatic, if the number of electrons in that π- system is 2,6,10,14,1,and so on.

Antiaromatic if the number of electrons in that π- system is 4,8,12,16,20,and so on.

Answer 6

Chapter 14, Problem 14.45P

Interpretation Introduction

(a)

Interpretation:

Total number of Π electrons present in a polycyclic hydrocarbon coronene is to be determined.

Concept introduction:

Each C=C double bond consists of two Π electrons.

Answer 7

Chapter 14, Problem 14.45P

Interpretation Introduction

(a)

Interpretation:

Total number of Π electrons present in a polycyclic hydrocarbon coronene is to be determined.

Concept introduction:

Each C=C double bond consists of two Π electrons.

Answer 8

Interpretation Introduction

(b)

Interpretation:

It is to be explained whether the number of Π electrons in the given compound is consistent with the fact that the compound is aromatic.

Concept introduction:

A molecule, to be aromatic, must obey Huckel’s rule (4n+2)π electrons. Huckel’s rule for aromaticity states that if a species possesses a pi system of molecular orbitals constructed from p-orbitals that are fully conjugated around a ring (sp2 hybridized), then the species is:

Aromatic, if the number of electrons in that π- system is 2,6,10,14,1,and so on.

Antiaromatic if the number of electrons in that π- system is 4,8,12,16,20,and so on.

Answer 9

Interpretation Introduction

(b)

Interpretation:

It is to be explained whether the number of Π electrons in the given compound is consistent with the fact that the compound is aromatic.

Concept introduction:

A molecule, to be aromatic, must obey Huckel’s rule (4n+2)π electrons. Huckel’s rule for aromaticity states that if a species possesses a pi system of molecular orbitals constructed from p-orbitals that are fully conjugated around a ring (sp2 hybridized), then the species is:

Aromatic, if the number of electrons in that π- system is 2,6,10,14,1,and so on.

Antiaromatic if the number of electrons in that π- system is 4,8,12,16,20,and so on.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 14 - Prob. 14.1P Ch. 14 - Prob. 14.2P Ch. 14 - Prob. 14.3P Ch. 14 - Prob. 14.4P Ch. 14 - Prob. 14.5P Ch. 14 - Prob. 14.6P Ch. 14 - Prob. 14.7P Ch. 14 - Prob. 14.8P Ch. 14 - Prob. 14.9P Ch. 14 - Prob. 14.10P

(a) Interpretation: Total number of Π electrons present in a polycyclic hydrocarbon coronene is to be determined. Concept introduction: Each C=C double bond consists of two Π electrons.

Solution Summary: The author explains that the total number of electrons in a polycyclic hydrocarbon coronene is determined from the given structure.

Concept explainers

(a)

Interpretation:

Total number of Π electrons present in a polycyclic hydrocarbon coronene is to be determined.

Concept introduction:

Each C=C double bond consists of two Π electrons.

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Chapter 14 Solutions