What major IR absorptions are present above 1500 cm - 1 for each compound? a. b. c. d.

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Answer 1

Textbook Question

Chapter 13, Problem 13.42P

What major IR absorptions are present above 1500 cm - 1 for each compound?

a. Chapter 13, Problem 13.42P, 13.42 What major IR absorptions are present above for each compound?
a. b. c. d.
, example 1 b. c. d.

Expert Solution

Interpretation Introduction

(a)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Explanation of Solution

The given compound is ethynylcyclohexane as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 1

Figure 1

It contains Csp-H and Csp≡Csp bonds. Hence, the major IR absorption peaksare observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Conclusion

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Expert Solution

Interpretation Introduction

(b)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Explanation of Solution

The given compound is hexan-2-ol as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 2

Figure 2

It contains Csp3−H and O−H bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H bond at 3600-3200 cm−1 respectively.

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Expert Solution

Interpretation Introduction

(c)

Interpretation: The major IR absorptions present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Explanation of Solution

The given compound is hept-2-one as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 3

Figure 3

It contains Csp3−H and Csp2=O bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Expert Solution

Interpretation Introduction

(d)

Interpretation: The major IR absorptions are present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Explanation of Solution

The given compound is benzoic acid as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 4

Figure 4

It contains, O−H, Csp2=Csp2, Csp2=O bonds. Hence, the major IR absorptions are observed for O-H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Conclusion

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

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Answer 2

Textbook Question

Chapter 13, Problem 13.42P

What major IR absorptions are present above 1500 cm - 1 for each compound?

a. Chapter 13, Problem 13.42P, 13.42 What major IR absorptions are present above for each compound?
a. b. c. d.
, example 1 b. c. d.

Expert Solution

Interpretation Introduction

(a)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Explanation of Solution

The given compound is ethynylcyclohexane as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 1

Figure 1

It contains Csp-H and Csp≡Csp bonds. Hence, the major IR absorption peaksare observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Conclusion

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Expert Solution

Interpretation Introduction

(b)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Explanation of Solution

The given compound is hexan-2-ol as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 2

Figure 2

It contains Csp3−H and O−H bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H bond at 3600-3200 cm−1 respectively.

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Expert Solution

Interpretation Introduction

(c)

Interpretation: The major IR absorptions present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Explanation of Solution

The given compound is hept-2-one as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 3

Figure 3

It contains Csp3−H and Csp2=O bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Expert Solution

Interpretation Introduction

(d)

Interpretation: The major IR absorptions are present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Explanation of Solution

The given compound is benzoic acid as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 4

Figure 4

It contains, O−H, Csp2=Csp2, Csp2=O bonds. Hence, the major IR absorptions are observed for O-H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Conclusion

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

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Answer 3

Textbook Question

Chapter 13, Problem 13.42P

What major IR absorptions are present above 1500 cm - 1 for each compound?

a. Chapter 13, Problem 13.42P, 13.42 What major IR absorptions are present above for each compound?
a. b. c. d.
, example 1 b. c. d.

Expert Solution

Interpretation Introduction

(a)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Explanation of Solution

The given compound is ethynylcyclohexane as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 1

Figure 1

It contains Csp-H and Csp≡Csp bonds. Hence, the major IR absorption peaksare observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Conclusion

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Expert Solution

Interpretation Introduction

(b)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Explanation of Solution

The given compound is hexan-2-ol as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 2

Figure 2

It contains Csp3−H and O−H bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H bond at 3600-3200 cm−1 respectively.

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Expert Solution

Interpretation Introduction

(c)

Interpretation: The major IR absorptions present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Explanation of Solution

The given compound is hept-2-one as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 3

Figure 3

It contains Csp3−H and Csp2=O bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Expert Solution

Interpretation Introduction

(d)

Interpretation: The major IR absorptions are present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Explanation of Solution

The given compound is benzoic acid as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 4

Figure 4

It contains, O−H, Csp2=Csp2, Csp2=O bonds. Hence, the major IR absorptions are observed for O-H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Conclusion

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

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Answer 4

Textbook Question

Chapter 13, Problem 13.42P

What major IR absorptions are present above 1500 cm - 1 for each compound?

a. Chapter 13, Problem 13.42P, 13.42 What major IR absorptions are present above for each compound?
a. b. c. d.
, example 1 b. c. d.

Expert Solution

Interpretation Introduction

(a)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Explanation of Solution

The given compound is ethynylcyclohexane as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 1

Figure 1

It contains Csp-H and Csp≡Csp bonds. Hence, the major IR absorption peaksare observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Conclusion

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Expert Solution

Interpretation Introduction

(b)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Explanation of Solution

The given compound is hexan-2-ol as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 2

Figure 2

It contains Csp3−H and O−H bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H bond at 3600-3200 cm−1 respectively.

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Expert Solution

Interpretation Introduction

(c)

Interpretation: The major IR absorptions present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Explanation of Solution

The given compound is hept-2-one as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 3

Figure 3

It contains Csp3−H and Csp2=O bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Expert Solution

Interpretation Introduction

(d)

Interpretation: The major IR absorptions are present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Explanation of Solution

The given compound is benzoic acid as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 4

Figure 4

It contains, O−H, Csp2=Csp2, Csp2=O bonds. Hence, the major IR absorptions are observed for O-H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Conclusion

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution

Interpretation Introduction

(a)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Explanation of Solution

The given compound is ethynylcyclohexane as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 1

Figure 1

It contains Csp-H and Csp≡Csp bonds. Hence, the major IR absorption peaksare observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Conclusion

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Expert Solution

Interpretation Introduction

(b)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Explanation of Solution

The given compound is hexan-2-ol as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 2

Figure 2

It contains Csp3−H and O−H bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H bond at 3600-3200 cm−1 respectively.

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Expert Solution

Interpretation Introduction

(c)

Interpretation: The major IR absorptions present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Explanation of Solution

The given compound is hept-2-one as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 3

Figure 3

It contains Csp3−H and Csp2=O bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Expert Solution

Interpretation Introduction

(d)

Interpretation: The major IR absorptions are present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Explanation of Solution

The given compound is benzoic acid as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 4

Figure 4

It contains, O−H, Csp2=Csp2, Csp2=O bonds. Hence, the major IR absorptions are observed for O-H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Conclusion

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Answer 8

Expert Solution

Interpretation Introduction

(a)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Explanation of Solution

The given compound is ethynylcyclohexane as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 1

Figure 1

It contains Csp-H and Csp≡Csp bonds. Hence, the major IR absorption peaksare observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Conclusion

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Answer 9

Expert Solution

Answer 10

Expert Solution

Answer 11

Expert Solution

Answer 12

Interpretation Introduction

(a)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer 13

Answer to Problem 13.42P

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Answer 14

Explanation of Solution

The given compound is ethynylcyclohexane as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 1

Figure 1

It contains Csp-H and Csp≡Csp bonds. Hence, the major IR absorption peaksare observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Answer 15

Conclusion

The major IR absorption peaks are observed for Csp-H bond at 3300 cm−1 and Csp≡Csp bond at 2250 cm−1 respectively.

Answer 16

Expert Solution

Interpretation Introduction

(b)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Explanation of Solution

The given compound is hexan-2-ol as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 2

Figure 2

It contains Csp3−H and O−H bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H bond at 3600-3200 cm−1 respectively.

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Answer 17

Expert Solution

Answer 18

Expert Solution

Answer 19

Expert Solution

Answer 20

Interpretation Introduction

(b)

Interpretation: The major IR absorptions present above 1500 cm−1 for the given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer 21

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Answer 22

Explanation of Solution

The given compound is hexan-2-ol as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 2

Figure 2

It contains Csp3−H and O−H bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H bond at 3600-3200 cm−1 respectively.

Answer 23

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and O−H at 3600-3200 cm−1 respectively.

Answer 24

Expert Solution

Interpretation Introduction

(c)

Interpretation: The major IR absorptions present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Explanation of Solution

The given compound is hept-2-one as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 3

Figure 3

It contains Csp3−H and Csp2=O bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Answer 25

Expert Solution

Answer 26

Expert Solution

Answer 27

Expert Solution

Answer 28

Interpretation Introduction

(c)

Interpretation: The major IR absorptions present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer 29

Answer to Problem 13.42P

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Answer 30

Explanation of Solution

The given compound is hept-2-one as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 3

Figure 3

It contains Csp3−H and Csp2=O bonds. Hence, the major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Answer 31

Conclusion

The major IR absorptions are observed for Csp3−H bond at 3000-2850 cm−1 and Csp2=O bond at 1700 cm−1 respectively.

Answer 32

Expert Solution

Interpretation Introduction

(d)

Interpretation: The major IR absorptions are present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer to Problem 13.42P

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Explanation of Solution

The given compound is benzoic acid as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 4

Figure 4

It contains, O−H, Csp2=Csp2, Csp2=O bonds. Hence, the major IR absorptions are observed for O-H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Conclusion

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Answer 33

Expert Solution

Answer 34

Expert Solution

Answer 35

Expert Solution

Answer 36

Interpretation Introduction

(d)

Interpretation: The major IR absorptions are present above 1500 cm−1 for a given compound are to be predicted.

Concept introduction: IR spectroscopy is used to identify the functional group present in a compound. Each and every bond vibrates at a characteristic frequency.

Answer 37

Answer to Problem 13.42P

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Answer 38

Explanation of Solution

The given compound is benzoic acid as shown below.

PKG ORGANIC CHEMISTRY, Chapter 13, Problem 13.42P , additional homework tip 4

Figure 4

It contains, O−H, Csp2=Csp2, Csp2=O bonds. Hence, the major IR absorptions are observed for O-H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.

Answer 39

Conclusion

The major IR absorptions are observed for O−H bond of carboxylic group at 3400-2400 cm−1, Csp2=Csp2 bond at 1650-1550 cm−1 (aromatic) and Csp2=O bond of carboxylic group at 1700 cm−1 respectively.