Using the method given in section 9.8A, the number of expected signals for each compound is to be determined. Concept introduction: In order to identify the environment of the hydrogen (proton) in the molecule, this hydrogen atom is replaced with some other group or atom and use the result. If same compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is homotopic and will have the same chemical shift. If different compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is heterotopic and will have different chemical shift.

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Answer 1

Question

Chapter 9, Problem 3PP

Interpretation Introduction

Interpretation:

Using the method given in section 9.8A, the number of expected signals for each compound is to be determined.

Concept introduction:

In order to identify the environment of the hydrogen (proton) in the molecule, this hydrogen atom is replaced with some other group or atom and use the result.

If same compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is homotopic and will have the same chemical shift.

If different compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is heterotopic and will have different chemical shift.

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Answer 2

Question

Chapter 9, Problem 3PP

Interpretation Introduction

Interpretation:

Using the method given in section 9.8A, the number of expected signals for each compound is to be determined.

Concept introduction:

In order to identify the environment of the hydrogen (proton) in the molecule, this hydrogen atom is replaced with some other group or atom and use the result.

If same compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is homotopic and will have the same chemical shift.

If different compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is heterotopic and will have different chemical shift.

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Answer 3

Question

Chapter 9, Problem 3PP

Interpretation Introduction

Interpretation:

Using the method given in section 9.8A, the number of expected signals for each compound is to be determined.

Concept introduction:

In order to identify the environment of the hydrogen (proton) in the molecule, this hydrogen atom is replaced with some other group or atom and use the result.

If same compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is homotopic and will have the same chemical shift.

If different compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is heterotopic and will have different chemical shift.

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Answer 4

Question

Chapter 9, Problem 3PP

Interpretation Introduction

Interpretation:

Using the method given in section 9.8A, the number of expected signals for each compound is to be determined.

Concept introduction:

In order to identify the environment of the hydrogen (proton) in the molecule, this hydrogen atom is replaced with some other group or atom and use the result.

If same compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is homotopic and will have the same chemical shift.

If different compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is heterotopic and will have different chemical shift.

Expert Solution & Answer

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Answer 5

Chapter 9, Problem 3PP

Interpretation Introduction

Interpretation:

Using the method given in section 9.8A, the number of expected signals for each compound is to be determined.

Concept introduction:

In order to identify the environment of the hydrogen (proton) in the molecule, this hydrogen atom is replaced with some other group or atom and use the result.

If same compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is homotopic and will have the same chemical shift.

If different compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is heterotopic and will have different chemical shift.

Answer 6

Chapter 9, Problem 3PP

Interpretation Introduction

Interpretation:

Using the method given in section 9.8A, the number of expected signals for each compound is to be determined.

Concept introduction:

In order to identify the environment of the hydrogen (proton) in the molecule, this hydrogen atom is replaced with some other group or atom and use the result.

If same compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is homotopic and will have the same chemical shift.

If different compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is heterotopic and will have different chemical shift.

Answer 7

Chapter 9, Problem 3PP

Interpretation Introduction

Interpretation:

Using the method given in section 9.8A, the number of expected signals for each compound is to be determined.

Concept introduction:

In order to identify the environment of the hydrogen (proton) in the molecule, this hydrogen atom is replaced with some other group or atom and use the result.

If same compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is homotopic and will have the same chemical shift.

If different compound is obtained by replacing the hydrogen with some other group or atom, then the hydrogen is heterotopic and will have different chemical shift.

Answer 8

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Answer 9

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Answer 11

Ch. 9 - Prob. 1PP Ch. 9 - PRACTICE PROBLEM 9.2 What compound with molecular...Ch. 9 - Prob. 3PP Ch. 9 - PRACTICE PROBLEM 9.4 How many signals would each...Ch. 9 - Prob. 5PP Ch. 9 - Prob. 6PP Ch. 9 - Prob. 7PP Ch. 9 - PRACTICE PROBLEM 9.7 The relative chemical shifts...Ch. 9 - Prob. 9PP Ch. 9 - PRACTICE PROBLEM 9.9 Propose a structure for...

Solution Summary: The author explains how the number of expected signals for each compound is determined using the method given in section 9.8A.

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