Organic Chemistry
Organic Chemistry
8th Edition
ISBN: 9781305580350
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher: Cengage Learning
Question
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Chapter 13, Problem 13.14P

(a)

Interpretation Introduction

Interpretation:

Fallowing the each compound structural formula and dipole moments has to be determined.

Concept introduction:

The 1H NMR spectrum of a compound provides some vital information that is required to predict the structure of the compound.  The chemical shift values can predict the groups that are present in the molecule.  The splitting of signals by the (N+1) rule predicts the number of hydrogens or protons attached to the adjacent carbon in a carbon chain of a compound.  With this information, the structure of the compound can be predicted.

Tetra methyl silane: The NMR spectrum of any compound is taken with reference to a standard compound called reference compound.  Generally, tetramethylsilane (TMS) is taken as the reference compound.  The methyl protons of TMS are equivalent and produces only one sharp peak at the rightmost end of the scale.

Dipole moment is defined as a measurement of the separation of two opposite electrical charges. Dipole moments are a vector quantity.

(b)

Interpretation Introduction

Interpretation:

Fallowing the each compound charge separtion have to be determined.

Concept introduction:

The 1H NMR spectrum of a compound provides some vital information that is required to predict the structure of the compound.  The chemical shift values can predict the groups that are present in the molecule.  The splitting of signals by the (N+1) rule predicts the number of hydrogens or protons attached to the adjacent carbon in a carbon chain of a compound.  With this information, the structure of the compound can be predicted.

Tetra methyl silane: The NMR spectrum of any compound is taken with reference to a standard compound called reference compound.  Generally, tetramethylsilane (TMS) is taken as the reference compound.  The methyl protons of TMS are equivalent and produces only one sharp peak at the rightmost end of the scale.

Dipole moment is defined as a measurement of the separation of two opposite electrical charges. Dipole moments are a vector quantity.

(c)

Interpretation Introduction

Interpretation:

Fallowing the each compounds structural formula and 1H NMR chmical shifts has to be determined.

Concept introduction:

The 1H NMR spectrum of a compound provides some vital information that is required to predict the structure of the compound.  The chemical shift values can predict the groups that are present in the molecule.  The splitting of signals by the (N+1) rule predicts the number of hydrogens or protons attached to the adjacent carbon in a carbon chain of a compound.  With this information, the structure of the compound can be predicted.

Tetra methyl silane: The NMR spectrum of any compound is taken with reference to a standard compound called reference compound.  Generally, tetramethylsilane (TMS) is taken as the reference compound.  The methyl protons of TMS are equivalent and produces only one sharp peak at the rightmost end of the scale.

Dipole moment is defined as a measurement of the separation of two opposite electrical charges. Dipole moments are a vector quantity.

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