The expected 1 H NMR spectrum of the given compounds. Concept Introduction : Chemical shift : The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million). Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds. Rule : Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other. (n+1) where n indicates number of neighboring protons Integration value: the integration value at the bottom of the 1 H NMR spectrum represents the number of protons giving rise to the signal.

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Answer 1

Question

Chapter 15.8, Problem 19PTS

(a)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

(b)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

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Answer 2

Question

Chapter 15.8, Problem 19PTS

(a)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

(b)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

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Answer 3

Question

Chapter 15.8, Problem 19PTS

(a)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

(b)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

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Answer 4

Question

Chapter 15.8, Problem 19PTS

(a)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

(b)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

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Answer 5

Chapter 15.8, Problem 19PTS

(a)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

(b)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

Answer 6

Chapter 15.8, Problem 19PTS

(a)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

Answer 7

Chapter 15.8, Problem 19PTS

(a)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

Answer 8

(b)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

Answer 9

(b)

Interpretation Introduction

Interpretation: The expected 1H NMR spectrum of the given compounds.

Concept Introduction:

Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).

Multiplicity: The number of peaks on the each signal in NMR spectrum is defined as multiplicity; the multiplicity of each signal indicates the neighboring protons. It is generated by coupling of the subjected protons with the neighboring protons (both subjected and neighbor protons are to be chemically not equivalent) separated by either two or three sigma bonds.

Rule: Multiplicity of each signal is calculated using (n+1) rule only when the neighboring protons are chemically equivalent to each other.

(n+1)where n indicates number of neighboring protons

Integration value: the integration value at the bottom of the 1H NMR spectrum represents the number of protons giving rise to the signal.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 15.4 - Prob. 1LTS Ch. 15.4 - Prob. 1PTS Ch. 15.4 - Prob. 2PTS Ch. 15.4 - Prob. 3PTS Ch. 15.4 - Prob. 4ATS Ch. 15.4 - Prob. 2LTS Ch. 15.4 - Prob. 5PTS Ch. 15.4 - Prob. 6PTS Ch. 15.4 - Carvone, a natural product isolated from plants,...Ch. 15.5 - Prob. 3LTS

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