The direction in which the given mixture will rotate the plane-polarized light is to be determined. The enantiomeric excess of the mixture is to be calculated. Concept introduction: The ability of a mixture of enantiomers to rotate the plane polarized light is governed by the percentage of the enantiomer which is in excess. If a given mixture is excess in the (+) enantiomer, then the rotation of the plane polarized light will be in the (+) direction. If a mixture contains unequal amounts of the (+) and (-) enantiomers, it will be optically active. Such a type of mixture is considered as being a certain percentage racemic, and the remaining percentage is called the enantiomeric excess (ee).

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Answer 1

Question

Chapter 5, Problem 5.60P

Interpretation Introduction

Interpretation:

The direction in which the given mixture will rotate the plane-polarized light is to be determined. The enantiomeric excess of the mixture is to be calculated.

Concept introduction:

The ability of a mixture of enantiomers to rotate the plane polarized light is governed by the percentage of the enantiomer which is in excess. If a given mixture is excess in the (+) enantiomer, then the rotation of the plane polarized light will be in the (+) direction.

If a mixture contains unequal amounts of the (+) and (-) enantiomers, it will be optically active. Such a type of mixture is considered as being a certain percentage racemic, and the remaining percentage is called the enantiomeric excess (ee).

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Answer 2

Question

Chapter 5, Problem 5.60P

Interpretation Introduction

Interpretation:

The direction in which the given mixture will rotate the plane-polarized light is to be determined. The enantiomeric excess of the mixture is to be calculated.

Concept introduction:

The ability of a mixture of enantiomers to rotate the plane polarized light is governed by the percentage of the enantiomer which is in excess. If a given mixture is excess in the (+) enantiomer, then the rotation of the plane polarized light will be in the (+) direction.

If a mixture contains unequal amounts of the (+) and (-) enantiomers, it will be optically active. Such a type of mixture is considered as being a certain percentage racemic, and the remaining percentage is called the enantiomeric excess (ee).

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Answer 3

Question

Chapter 5, Problem 5.60P

Interpretation Introduction

Interpretation:

The direction in which the given mixture will rotate the plane-polarized light is to be determined. The enantiomeric excess of the mixture is to be calculated.

Concept introduction:

The ability of a mixture of enantiomers to rotate the plane polarized light is governed by the percentage of the enantiomer which is in excess. If a given mixture is excess in the (+) enantiomer, then the rotation of the plane polarized light will be in the (+) direction.

If a mixture contains unequal amounts of the (+) and (-) enantiomers, it will be optically active. Such a type of mixture is considered as being a certain percentage racemic, and the remaining percentage is called the enantiomeric excess (ee).

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Answer 4

Question

Chapter 5, Problem 5.60P

Interpretation Introduction

Interpretation:

The direction in which the given mixture will rotate the plane-polarized light is to be determined. The enantiomeric excess of the mixture is to be calculated.

Concept introduction:

The ability of a mixture of enantiomers to rotate the plane polarized light is governed by the percentage of the enantiomer which is in excess. If a given mixture is excess in the (+) enantiomer, then the rotation of the plane polarized light will be in the (+) direction.

If a mixture contains unequal amounts of the (+) and (-) enantiomers, it will be optically active. Such a type of mixture is considered as being a certain percentage racemic, and the remaining percentage is called the enantiomeric excess (ee).

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Answer 5

Chapter 5, Problem 5.60P

Interpretation Introduction

Interpretation:

The direction in which the given mixture will rotate the plane-polarized light is to be determined. The enantiomeric excess of the mixture is to be calculated.

Concept introduction:

The ability of a mixture of enantiomers to rotate the plane polarized light is governed by the percentage of the enantiomer which is in excess. If a given mixture is excess in the (+) enantiomer, then the rotation of the plane polarized light will be in the (+) direction.

If a mixture contains unequal amounts of the (+) and (-) enantiomers, it will be optically active. Such a type of mixture is considered as being a certain percentage racemic, and the remaining percentage is called the enantiomeric excess (ee).

Answer 6

Chapter 5, Problem 5.60P

Interpretation Introduction

Interpretation:

The direction in which the given mixture will rotate the plane-polarized light is to be determined. The enantiomeric excess of the mixture is to be calculated.

Concept introduction:

The ability of a mixture of enantiomers to rotate the plane polarized light is governed by the percentage of the enantiomer which is in excess. If a given mixture is excess in the (+) enantiomer, then the rotation of the plane polarized light will be in the (+) direction.

If a mixture contains unequal amounts of the (+) and (-) enantiomers, it will be optically active. Such a type of mixture is considered as being a certain percentage racemic, and the remaining percentage is called the enantiomeric excess (ee).

Answer 7

Chapter 5, Problem 5.60P

Interpretation Introduction

Interpretation:

The direction in which the given mixture will rotate the plane-polarized light is to be determined. The enantiomeric excess of the mixture is to be calculated.

Concept introduction:

The ability of a mixture of enantiomers to rotate the plane polarized light is governed by the percentage of the enantiomer which is in excess. If a given mixture is excess in the (+) enantiomer, then the rotation of the plane polarized light will be in the (+) direction.

If a mixture contains unequal amounts of the (+) and (-) enantiomers, it will be optically active. Such a type of mixture is considered as being a certain percentage racemic, and the remaining percentage is called the enantiomeric excess (ee).

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 5 - Prob. 5.1P Ch. 5 - Prob. 5.2P Ch. 5 - Prob. 5.3P Ch. 5 - Prob. 5.4P Ch. 5 - Prob. 5.5P Ch. 5 - Prob. 5.6P Ch. 5 - Prob. 5.7P Ch. 5 - Prob. 5.8P Ch. 5 - Prob. 5.9P Ch. 5 - Prob. 5.10P

Solution Summary: The author explains that enantiomers have equal specific rotation but in opposite directions.

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Chapter 5 Solutions