(a) Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked. Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

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Answer 1

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Chapter 12C.4, Problem 12P

Interpretation Introduction

(a)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

Interpretation Introduction

(b)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

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The number of carbon skeletons that have 8 carbons, one of which istertiary is A. 7; B. More than 7; C. 6; D. 5; E. 4

Answer 2

Question

Chapter 12C.4, Problem 12P

Interpretation Introduction

(a)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

Interpretation Introduction

(b)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

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Answer 3

Question

Chapter 12C.4, Problem 12P

Interpretation Introduction

(a)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

Interpretation Introduction

(b)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

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Answer 4

Question

Chapter 12C.4, Problem 12P

Interpretation Introduction

(a)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

Interpretation Introduction

(b)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

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Answer 5

Chapter 12C.4, Problem 12P

Interpretation Introduction

(a)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

Interpretation Introduction

(b)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

Answer 6

Chapter 12C.4, Problem 12P

Interpretation Introduction

(a)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

Answer 7

Chapter 12C.4, Problem 12P

Interpretation Introduction

(a)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

Answer 8

Interpretation Introduction

(b)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

Answer 9

Interpretation Introduction

(b)

Interpretation: The order of increasing chemical shift for the given groups of protons is to be ranked.

Concept introduction: In NMR spectrum, peaks are known as resonances, lines or absorptions. On the horizontal axis, the position of absorption is generally referred to as chemical shift. The more the shielded proton less will be its chemical shift value and the corresponding signal will be produced at the right-hand side or lower frequency region. The more the deshielded or less shielded proton more will be its chemical shift value and the corresponding signal will be produced at the left-hand side or higher frequency region.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 12C.1 - Problem 14.1 The NMR spectrum of recorded on a ...Ch. 12C.1 - Prob. 2P Ch. 12C.2 - How many 1H NMR signals does each...Ch. 12C.2 - How many 1H NMR signals does each compound give?...Ch. 12C.2 - Label the protons in each highlighted CH2 group as...Ch. 12C.2 - How many 1H NMR signals would you expect for each...Ch. 12C.3 - Prob. 9P Ch. 12C.3 - For each compound, first label each different type...Ch. 12C.3 - Label each statement as True or False. a. When a...Ch. 12C.4 - Prob. 12P

Solution Summary: The author explains that the order of increasing chemical shift for the given groups of protons is to be ranked.

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