(a) Interpretation: The difference between p − ethylbenzoic acid and ethyl benzoate using IR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group . The value of peaks depends upon the chemical environment around the hydrogen atom.

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Answer 1

Question

Chapter 21, Problem 21.7P

Interpretation Introduction

(a)

Interpretation:

The difference between p−ethylbenzoic acid and ethyl benzoate using IR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(b)

Interpretation:

The difference between 2,4−dimethylbenzonitrile and N−methylbenzamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(c)

Interpretation:

The difference between methyl propionate and ethyl acetate using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(d)

Interpretation:

The difference between N-methylpropanamide and N−ethylacetamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(e)

Interpretation:

The difference between ethyl butyrate and ethyl isobutyrate using 13C NMR spectroscopy 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 identifies the number of carbon atoms present in a molecule. The value of peaks depends upon the chemical environment.

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Answer 2

Question

Chapter 21, Problem 21.7P

Interpretation Introduction

(a)

Interpretation:

The difference between p−ethylbenzoic acid and ethyl benzoate using IR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(b)

Interpretation:

The difference between 2,4−dimethylbenzonitrile and N−methylbenzamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(c)

Interpretation:

The difference between methyl propionate and ethyl acetate using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(d)

Interpretation:

The difference between N-methylpropanamide and N−ethylacetamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(e)

Interpretation:

The difference between ethyl butyrate and ethyl isobutyrate using 13C NMR spectroscopy 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 identifies the number of carbon atoms present in a molecule. The value of peaks depends upon the chemical environment.

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Answer 3

Question

Chapter 21, Problem 21.7P

Interpretation Introduction

(a)

Interpretation:

The difference between p−ethylbenzoic acid and ethyl benzoate using IR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(b)

Interpretation:

The difference between 2,4−dimethylbenzonitrile and N−methylbenzamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(c)

Interpretation:

The difference between methyl propionate and ethyl acetate using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(d)

Interpretation:

The difference between N-methylpropanamide and N−ethylacetamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(e)

Interpretation:

The difference between ethyl butyrate and ethyl isobutyrate using 13C NMR spectroscopy 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 identifies the number of carbon atoms present in a molecule. The value of peaks depends upon the chemical environment.

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Answer 4

Question

Chapter 21, Problem 21.7P

Interpretation Introduction

(a)

Interpretation:

The difference between p−ethylbenzoic acid and ethyl benzoate using IR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(b)

Interpretation:

The difference between 2,4−dimethylbenzonitrile and N−methylbenzamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(c)

Interpretation:

The difference between methyl propionate and ethyl acetate using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(d)

Interpretation:

The difference between N-methylpropanamide and N−ethylacetamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(e)

Interpretation:

The difference between ethyl butyrate and ethyl isobutyrate using 13C NMR spectroscopy 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 identifies the number of carbon atoms present in a molecule. The value of peaks depends upon the chemical environment.

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Answer 5

Chapter 21, Problem 21.7P

Interpretation Introduction

(a)

Interpretation:

The difference between p−ethylbenzoic acid and ethyl benzoate using IR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(b)

Interpretation:

The difference between 2,4−dimethylbenzonitrile and N−methylbenzamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(c)

Interpretation:

The difference between methyl propionate and ethyl acetate using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(d)

Interpretation:

The difference between N-methylpropanamide and N−ethylacetamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Interpretation Introduction

(e)

Interpretation:

The difference between ethyl butyrate and ethyl isobutyrate using 13C NMR spectroscopy 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 identifies the number of carbon atoms present in a molecule. The value of peaks depends upon the chemical environment.

Answer 6

Chapter 21, Problem 21.7P

Interpretation Introduction

(a)

Interpretation:

The difference between p−ethylbenzoic acid and ethyl benzoate using IR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Answer 7

Chapter 21, Problem 21.7P

Interpretation Introduction

(a)

Interpretation:

The difference between p−ethylbenzoic acid and ethyl benzoate using IR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The difference between 2,4−dimethylbenzonitrile and N−methylbenzamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The difference between 2,4−dimethylbenzonitrile and N−methylbenzamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The difference between methyl propionate and ethyl acetate using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The difference between methyl propionate and ethyl acetate using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The difference between N-methylpropanamide and N−ethylacetamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The difference between N-methylpropanamide and N−ethylacetamide using proton NMR spectroscopy 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. Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group. The value of peaks depends upon the chemical environment around the hydrogen atom.

Answer 14

Interpretation Introduction

(e)

Interpretation:

The difference between ethyl butyrate and ethyl isobutyrate using 13C NMR spectroscopy 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 identifies the number of carbon atoms present in a molecule. The value of peaks depends upon the chemical environment.

Answer 15

Interpretation Introduction

(e)

Interpretation:

The difference between ethyl butyrate and ethyl isobutyrate using 13C NMR spectroscopy 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 identifies the number of carbon atoms present in a molecule. The value of peaks depends upon the chemical environment.

Answer 16

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Answer 17

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Answer 18

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Answer 19

Ch. 21 - Prob. 21.1P Ch. 21 - Prob. 21.2P Ch. 21 - Prob. 21.3P Ch. 21 - Prob. 21.4P Ch. 21 - Prob. 21.5P Ch. 21 - Prob. 21.6P Ch. 21 - Prob. 21.7P Ch. 21 - Prob. 21.8P Ch. 21 - Prob. 21.9P Ch. 21 - Prob. 21.10P

Solution Summary: The author explains that IR spectroscopy is used to identify the structure of the molecule, based on the interactions between matter and electromagnetic radiations.

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Chapter 21 Solutions