The H 1 NMR spectrum of an AX spin system at 250 MHz has to be stated. Concept introduction: Many nuclei and electrons have spin, due to this spin magnetic moment arises. The energy of this magnetic moment depends on the orientation of the applied magnetic field. In NMR spectroscopy, every nucleus has a spin. There is an angular momentum related to the spin. The difference between its resonance frequency and that of the reference standard is known as the chemical shift of a nucleus. Tetramethylsilane (TMS) is taken as reference.

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Answer 1

Question

Chapter 12, Problem 12B.6AE

(i)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 250 MHz has to be stated.

Concept introduction:

Many nuclei and electrons have spin, due to this spin magnetic moment arises. The energy of this magnetic moment depends on the orientation of the applied magnetic field. In NMR spectroscopy, every nucleus has a spin. There is an angular momentum related to the spin. The difference between its resonance frequency and that of the reference standard is known as the chemical shift of a nucleus. Tetramethylsilane (TMS) is taken as reference.

(ii)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 800 MHz has to be stated.

Concept introduction:

The same concept introduction as discussed in part (a).

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Part II. two unbranched ketone have molecular formulla (C8H100). El-ms showed that both of them have a molecular ion peak at m/2 =128. However ketone (A) has a fragment peak at m/2 = 99 and 72 while ketone (B) snowed a fragment peak at m/2 = 113 and 58. 9) Propose the most plausible structures for both ketones b) Explain how you arrived at your conclusion by drawing the Structures of the distinguishing fragments for each ketone, including their fragmentation mechanisms.

Part V. Draw the structure of compound tecla using the IR spectrum Cobtained from the compound in KBr pellet) and the mass spectrum as shown below. The mass spectrum of compound Tesla showed strong mt peak at 71. TRANSMITTANCE LOD Relative Intensity 100 MS-NW-1539 40 20 80 T 44 55 10 15 20 25 30 35 40 45 50 55 60 65 70 75 m/z D 4000 3000 2000 1500 1000 500 HAVENUMBERI-11

Answer 2

Question

Chapter 12, Problem 12B.6AE

(i)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 250 MHz has to be stated.

Concept introduction:

Many nuclei and electrons have spin, due to this spin magnetic moment arises. The energy of this magnetic moment depends on the orientation of the applied magnetic field. In NMR spectroscopy, every nucleus has a spin. There is an angular momentum related to the spin. The difference between its resonance frequency and that of the reference standard is known as the chemical shift of a nucleus. Tetramethylsilane (TMS) is taken as reference.

(ii)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 800 MHz has to be stated.

Concept introduction:

The same concept introduction as discussed in part (a).

Expert Solution & Answer

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Answer 3

Question

Chapter 12, Problem 12B.6AE

(i)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 250 MHz has to be stated.

Concept introduction:

Many nuclei and electrons have spin, due to this spin magnetic moment arises. The energy of this magnetic moment depends on the orientation of the applied magnetic field. In NMR spectroscopy, every nucleus has a spin. There is an angular momentum related to the spin. The difference between its resonance frequency and that of the reference standard is known as the chemical shift of a nucleus. Tetramethylsilane (TMS) is taken as reference.

(ii)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 800 MHz has to be stated.

Concept introduction:

The same concept introduction as discussed in part (a).

Expert Solution & Answer

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See solution

Answer 4

Question

Chapter 12, Problem 12B.6AE

(i)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 250 MHz has to be stated.

Concept introduction:

Many nuclei and electrons have spin, due to this spin magnetic moment arises. The energy of this magnetic moment depends on the orientation of the applied magnetic field. In NMR spectroscopy, every nucleus has a spin. There is an angular momentum related to the spin. The difference between its resonance frequency and that of the reference standard is known as the chemical shift of a nucleus. Tetramethylsilane (TMS) is taken as reference.

(ii)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 800 MHz has to be stated.

Concept introduction:

The same concept introduction as discussed in part (a).

Expert Solution & Answer

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Answer 5

Chapter 12, Problem 12B.6AE

(i)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 250 MHz has to be stated.

Concept introduction:

Many nuclei and electrons have spin, due to this spin magnetic moment arises. The energy of this magnetic moment depends on the orientation of the applied magnetic field. In NMR spectroscopy, every nucleus has a spin. There is an angular momentum related to the spin. The difference between its resonance frequency and that of the reference standard is known as the chemical shift of a nucleus. Tetramethylsilane (TMS) is taken as reference.

(ii)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 800 MHz has to be stated.

Concept introduction:

The same concept introduction as discussed in part (a).

Answer 6

Chapter 12, Problem 12B.6AE

(i)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 250 MHz has to be stated.

Concept introduction:

Many nuclei and electrons have spin, due to this spin magnetic moment arises. The energy of this magnetic moment depends on the orientation of the applied magnetic field. In NMR spectroscopy, every nucleus has a spin. There is an angular momentum related to the spin. The difference between its resonance frequency and that of the reference standard is known as the chemical shift of a nucleus. Tetramethylsilane (TMS) is taken as reference.

Answer 7

Chapter 12, Problem 12B.6AE

(i)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 250 MHz has to be stated.

Concept introduction:

Many nuclei and electrons have spin, due to this spin magnetic moment arises. The energy of this magnetic moment depends on the orientation of the applied magnetic field. In NMR spectroscopy, every nucleus has a spin. There is an angular momentum related to the spin. The difference between its resonance frequency and that of the reference standard is known as the chemical shift of a nucleus. Tetramethylsilane (TMS) is taken as reference.

Answer 8

(ii)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 800 MHz has to be stated.

Concept introduction:

The same concept introduction as discussed in part (a).

Answer 9

(ii)

Interpretation Introduction

Interpretation:

The H1 NMR spectrum of an AX spin system at 800 MHz has to be stated.

Concept introduction:

The same concept introduction as discussed in part (a).

Answer 10

Expert Solution & Answer

Answer 11

Expert Solution & Answer

Answer 12

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Answer 13

Ch. 12 - Prob. 12B.1ST Ch. 12 - Prob. 12B.2ST Ch. 12 - Prob. 12B.3ST Ch. 12 - Prob. 12D.1ST Ch. 12 - Prob. 12A.1DQ Ch. 12 - Prob. 12A.2DQ Ch. 12 - Prob. 12A.3DQ Ch. 12 - Prob. 12A.1AE Ch. 12 - Prob. 12A.1BE Ch. 12 - Prob. 12A.2AE

Interpretation: The H1 NMR spectrum of an AX spin system at 800 MHz has to be stated. Concept introduction: The same concept introduction as discussed in part (a).

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Chapter 12 Solutions

Interpretation:

The H1 NMR spectrum of an AX spin system at 800 MHz has to be stated.

Concept introduction:

The same concept introduction as discussed in part (a).