(a) Interpretation: The matching of 2-hexyne and 3-hexyne with their correct 13 C NMR spectrum is to be stated. Concept introduction: Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13 C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

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Answer 1

Question

Chapter 14, Problem 14.5P

Interpretation Introduction

(a)

Interpretation:

The matching of 2-hexyne and 3-hexyne with their correct 13 C NMR spectrum is to be stated.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

Interpretation Introduction

(b)

Interpretation:

The assignments of resonances in the spectrum A and spectrum B to the appropriate carbon atom are to be predicted.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

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The 1H-NMR spectrum of Compound C shows five signals – δ 2.38 (1H, dt), 2.72 (1H, dt), 5.34 (1H, t), 5.49 (2H, ddd), 6.27 (2H, dd) ppm. Its 13C-NMR spectrum has four signals – δ 26, 58, 127, 129 ppm. In the compound’s mass spectrum, the M+1 peak appears at m/z = 115. An M+2 peak, whose intensity is roughly one-third that of the M+1 peak, also appears. Suggest a structure for this compound.

What is the structure of an unknown compound with molecular formula C6H15N that gives the following 1H NMR absorptions: 0.9 (singlet, 1 H), 1.10 (triplet, 3 H), 1.15 (singlet, 9 H), and 2.6 (quartet, 2 H) ppm?

The only organic compound obtained when compound Z undergoes the following sequence of reactions gives the 1H NMR spectrum shown.Identify compound Z.

Answer 2

Question

Chapter 14, Problem 14.5P

Interpretation Introduction

(a)

Interpretation:

The matching of 2-hexyne and 3-hexyne with their correct 13 C NMR spectrum is to be stated.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

Interpretation Introduction

(b)

Interpretation:

The assignments of resonances in the spectrum A and spectrum B to the appropriate carbon atom are to be predicted.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

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Answer 3

Question

Chapter 14, Problem 14.5P

Interpretation Introduction

(a)

Interpretation:

The matching of 2-hexyne and 3-hexyne with their correct 13 C NMR spectrum is to be stated.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

Interpretation Introduction

(b)

Interpretation:

The assignments of resonances in the spectrum A and spectrum B to the appropriate carbon atom are to be predicted.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

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Answer 4

Question

Chapter 14, Problem 14.5P

Interpretation Introduction

(a)

Interpretation:

The matching of 2-hexyne and 3-hexyne with their correct 13 C NMR spectrum is to be stated.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

Interpretation Introduction

(b)

Interpretation:

The assignments of resonances in the spectrum A and spectrum B to the appropriate carbon atom are to be predicted.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

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Answer 5

Chapter 14, Problem 14.5P

Interpretation Introduction

(a)

Interpretation:

The matching of 2-hexyne and 3-hexyne with their correct 13 C NMR spectrum is to be stated.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

Interpretation Introduction

(b)

Interpretation:

The assignments of resonances in the spectrum A and spectrum B to the appropriate carbon atom are to be predicted.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

Answer 6

Chapter 14, Problem 14.5P

Interpretation Introduction

(a)

Interpretation:

The matching of 2-hexyne and 3-hexyne with their correct 13 C NMR spectrum is to be stated.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

Answer 7

Chapter 14, Problem 14.5P

Interpretation Introduction

(a)

Interpretation:

The matching of 2-hexyne and 3-hexyne with their correct 13 C NMR spectrum is to be stated.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The assignments of resonances in the spectrum A and spectrum B to the appropriate carbon atom are to be predicted.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The assignments of resonances in the spectrum A and spectrum B to the appropriate carbon atom are to be predicted.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The 13C NMR spectroscopy is used to determine the number of equivalent and non-equivalent carbon atoms and to identify the type of carbon atoms present in the compound.

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

Solution Summary: The author explains the spectroscopy method used to identify the structure of a molecule.

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