(a) Interpretation: The amines A at base peak m / z = 72 and B at base peak m / z = 58 are to be identified among: 2-methyl-2-heptanamine , and N-ethyl-4-methyl-2-pentanamine on the basis of their mass spectrum. Concept introduction: Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as ( M + 1 ) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

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Answer 1

Question

Chapter 23, Problem 23.67AP

Interpretation Introduction

(a)

Interpretation:

The amines A at base peak m/z=72 and B at base peak m/z=58 are to be identified among: 2-methyl-2-heptanamine, and N-ethyl-4-methyl-2-pentanamine on the basis of their mass spectrum.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

Interpretation Introduction

(b)

Interpretation:

The m/z value of the peak resulted from the α- cleavage of tributylamine is to be stated.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

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The mass spectrum of Compound D, with a molecular formula C8H7BrO2 is shown below. Draw the most likely ion fragment for the signals at m/z 155, 157, 183, and 185

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Answer 2

Question

Chapter 23, Problem 23.67AP

Interpretation Introduction

(a)

Interpretation:

The amines A at base peak m/z=72 and B at base peak m/z=58 are to be identified among: 2-methyl-2-heptanamine, and N-ethyl-4-methyl-2-pentanamine on the basis of their mass spectrum.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

Interpretation Introduction

(b)

Interpretation:

The m/z value of the peak resulted from the α- cleavage of tributylamine is to be stated.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

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Answer 3

Question

Chapter 23, Problem 23.67AP

Interpretation Introduction

(a)

Interpretation:

The amines A at base peak m/z=72 and B at base peak m/z=58 are to be identified among: 2-methyl-2-heptanamine, and N-ethyl-4-methyl-2-pentanamine on the basis of their mass spectrum.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

Interpretation Introduction

(b)

Interpretation:

The m/z value of the peak resulted from the α- cleavage of tributylamine is to be stated.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

Expert Solution & Answer

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Answer 4

Question

Chapter 23, Problem 23.67AP

Interpretation Introduction

(a)

Interpretation:

The amines A at base peak m/z=72 and B at base peak m/z=58 are to be identified among: 2-methyl-2-heptanamine, and N-ethyl-4-methyl-2-pentanamine on the basis of their mass spectrum.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

Interpretation Introduction

(b)

Interpretation:

The m/z value of the peak resulted from the α- cleavage of tributylamine is to be stated.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

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Answer 5

Chapter 23, Problem 23.67AP

Interpretation Introduction

(a)

Interpretation:

The amines A at base peak m/z=72 and B at base peak m/z=58 are to be identified among: 2-methyl-2-heptanamine, and N-ethyl-4-methyl-2-pentanamine on the basis of their mass spectrum.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

Interpretation Introduction

(b)

Interpretation:

The m/z value of the peak resulted from the α- cleavage of tributylamine is to be stated.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

Answer 6

Chapter 23, Problem 23.67AP

Interpretation Introduction

(a)

Interpretation:

The amines A at base peak m/z=72 and B at base peak m/z=58 are to be identified among: 2-methyl-2-heptanamine, and N-ethyl-4-methyl-2-pentanamine on the basis of their mass spectrum.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

Answer 7

Chapter 23, Problem 23.67AP

Interpretation Introduction

(a)

Interpretation:

The amines A at base peak m/z=72 and B at base peak m/z=58 are to be identified among: 2-methyl-2-heptanamine, and N-ethyl-4-methyl-2-pentanamine on the basis of their mass spectrum.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The m/z value of the peak resulted from the α- cleavage of tributylamine is to be stated.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The m/z value of the peak resulted from the α- cleavage of tributylamine is to be stated.

Concept introduction:

Mass spectroscopy is used to calculate mass to charge ratio of ions. Isotopic peak is also known as (M+1) peak because it shows one unit mass more than the mass of the molecular ion because the molecule consists of different isotopes of an element.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 23 - Prob. 23.1P Ch. 23 - Prob. 23.2P Ch. 23 - Prob. 23.3P Ch. 23 - Prob. 23.4P Ch. 23 - Prob. 23.5P Ch. 23 - Prob. 23.6P Ch. 23 - Prob. 23.7P Ch. 23 - Prob. 23.8P Ch. 23 - Prob. 23.9P Ch. 23 - Prob. 23.10P

Solution Summary: The author explains that the amines A at base peak m/z=72 and B are identified on the basis of their mass spectrum.

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