The aromatic C-H stretch and aromatic C=C stretch are to be labelled. Concept introduction: All C-H stretches appear between 2700 and 3300 cm21 (Table 15-2). Within that range, however, the location of the C-H absorption band is often characteristic of a particular compound class for aromatic C-H, 3000–3100 cm -1 . Alkenes and aromatic rings both contain C=C double bonds in their Lewis structures, but their C=C stretching modes of vibration appear differently in an IR spectrum. Aromatic C=C stretches generally appear as two or three peaks in the range 1450–1600 cm -1 .

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Answer 1

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Chapter 15, Problem 15.22YT

Interpretation Introduction

Interpretation:

The aromatic C-H stretch and aromatic C=C stretch are to be labelled.

Concept introduction:

All C-H stretches appear between 2700 and 3300 cm21 (Table 15-2). Within that range, however, the location of the C-H absorption band is often characteristic of a particular compound class for aromatic C-H, 3000–3100 cm^-1. Alkenes and aromatic rings both contain C=C double bonds in their Lewis structures, but their C=C stretching modes of vibration appear differently in an IR spectrum. Aromatic C=C stretches generally appear as two or three peaks in the range 1450–1600 cm^-1.

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Answer 2

Question

Chapter 15, Problem 15.22YT

Interpretation Introduction

Interpretation:

The aromatic C-H stretch and aromatic C=C stretch are to be labelled.

Concept introduction:

All C-H stretches appear between 2700 and 3300 cm21 (Table 15-2). Within that range, however, the location of the C-H absorption band is often characteristic of a particular compound class for aromatic C-H, 3000–3100 cm^-1. Alkenes and aromatic rings both contain C=C double bonds in their Lewis structures, but their C=C stretching modes of vibration appear differently in an IR spectrum. Aromatic C=C stretches generally appear as two or three peaks in the range 1450–1600 cm^-1.

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Answer 3

Question

Chapter 15, Problem 15.22YT

Interpretation Introduction

Interpretation:

The aromatic C-H stretch and aromatic C=C stretch are to be labelled.

Concept introduction:

All C-H stretches appear between 2700 and 3300 cm21 (Table 15-2). Within that range, however, the location of the C-H absorption band is often characteristic of a particular compound class for aromatic C-H, 3000–3100 cm^-1. Alkenes and aromatic rings both contain C=C double bonds in their Lewis structures, but their C=C stretching modes of vibration appear differently in an IR spectrum. Aromatic C=C stretches generally appear as two or three peaks in the range 1450–1600 cm^-1.

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Answer 4

Question

Chapter 15, Problem 15.22YT

Interpretation Introduction

Interpretation:

The aromatic C-H stretch and aromatic C=C stretch are to be labelled.

Concept introduction:

All C-H stretches appear between 2700 and 3300 cm21 (Table 15-2). Within that range, however, the location of the C-H absorption band is often characteristic of a particular compound class for aromatic C-H, 3000–3100 cm^-1. Alkenes and aromatic rings both contain C=C double bonds in their Lewis structures, but their C=C stretching modes of vibration appear differently in an IR spectrum. Aromatic C=C stretches generally appear as two or three peaks in the range 1450–1600 cm^-1.

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Answer 5

Chapter 15, Problem 15.22YT

Interpretation Introduction

Interpretation:

The aromatic C-H stretch and aromatic C=C stretch are to be labelled.

Concept introduction:

All C-H stretches appear between 2700 and 3300 cm21 (Table 15-2). Within that range, however, the location of the C-H absorption band is often characteristic of a particular compound class for aromatic C-H, 3000–3100 cm^-1. Alkenes and aromatic rings both contain C=C double bonds in their Lewis structures, but their C=C stretching modes of vibration appear differently in an IR spectrum. Aromatic C=C stretches generally appear as two or three peaks in the range 1450–1600 cm^-1.

Answer 6

Chapter 15, Problem 15.22YT

Interpretation Introduction

Interpretation:

The aromatic C-H stretch and aromatic C=C stretch are to be labelled.

Concept introduction:

All C-H stretches appear between 2700 and 3300 cm21 (Table 15-2). Within that range, however, the location of the C-H absorption band is often characteristic of a particular compound class for aromatic C-H, 3000–3100 cm^-1. Alkenes and aromatic rings both contain C=C double bonds in their Lewis structures, but their C=C stretching modes of vibration appear differently in an IR spectrum. Aromatic C=C stretches generally appear as two or three peaks in the range 1450–1600 cm^-1.

Answer 7

Chapter 15, Problem 15.22YT

Interpretation Introduction

Interpretation:

The aromatic C-H stretch and aromatic C=C stretch are to be labelled.

Concept introduction:

All C-H stretches appear between 2700 and 3300 cm21 (Table 15-2). Within that range, however, the location of the C-H absorption band is often characteristic of a particular compound class for aromatic C-H, 3000–3100 cm^-1. Alkenes and aromatic rings both contain C=C double bonds in their Lewis structures, but their C=C stretching modes of vibration appear differently in an IR spectrum. Aromatic C=C stretches generally appear as two or three peaks in the range 1450–1600 cm^-1.

Answer 8

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Answer 11

Ch. 15 - Prob. 15.1P Ch. 15 - Prob. 15.2P Ch. 15 - Prob. 15.3P Ch. 15 - Prob. 15.4P Ch. 15 - Prob. 15.5P Ch. 15 - Prob. 15.6P Ch. 15 - Prob. 15.7P Ch. 15 - Prob. 15.8P Ch. 15 - Prob. 15.9P Ch. 15 - Prob. 15.10P

Solution Summary: The author explains that all C-H stretches appear between 2700 and 3300 cm21. Alkenes and aromatic rings both contain C=C double bonds in their Lewis structures.

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Chapter 15 Solutions