The observed specific reaction has to be calculated. Concept introduction: The pair of Enantiomers has different configurations. Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory. The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter . This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound. The specific rotation of enantiomers has equal magnitudes and opposite signs. Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

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Answer 1

Question

Chapter 4.10, Problem 23P

(a)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

(b)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

(c)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

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In RPLC, Compound A is more polar than compound B. In which column will compound A be more retained than compound B? A. C18 B. C8 C. Phenyl bounded column D. All of the above E. None of the above

Answer 2

Question

Chapter 4.10, Problem 23P

(a)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

(b)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

(c)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

Expert Solution & Answer

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Answer 3

Question

Chapter 4.10, Problem 23P

(a)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

(b)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

(c)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

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Answer 4

Question

Chapter 4.10, Problem 23P

(a)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

(b)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

(c)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

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Check out a sample textbook solution

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Answer 5

Chapter 4.10, Problem 23P

(a)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

(b)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

(c)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

Answer 6

Chapter 4.10, Problem 23P

(a)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

Answer 7

Chapter 4.10, Problem 23P

(a)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

Answer 9

(b)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

Answer 10

(c)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

Answer 11

(c)

Interpretation Introduction

Interpretation:

The observed specific reaction has to be calculated.

Concept introduction:

The pair of Enantiomers has different configurations.

Pair of enantiomers has different optical activity, which means if one will show levorotatory then the other will show dextrorotatory.

The direction and magnitude of rotation of plane-polarized light by an optically compound is measured by using polarimeter.

This rotation of polarized light is specific for a compound at specified temperature and wavelength, so it is called as Specific rotation of that compound.

The specific rotation of enantiomers has equal magnitudes and opposite signs.

Racemic mixture (equal amounts of enantiomers) of a compound has zero specific rotation.

If the mixture contain unequal amount of enantiomers of a compound, then the amount of excess of enantiomer is called enantiomeric excess or optical purity. It is calculated by,

enantiomeric excess =observed specific rotationspecific rotation of the pure enantiomer×100%

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 4.1 - Prob. 2P Ch. 4.1 - Prob. 3P Ch. 4.1 - Prob. 4P Ch. 4.1 - Prob. 5P Ch. 4.1 - Which of the roll owing compounds have a dipole...Ch. 4.2 - Prob. 7P Ch. 4.3 - Prob. 8P Ch. 4.4 - Prob. 10P Ch. 4.4 - Prob. 11P Ch. 4.6 - Prob. 12P

Solution Summary: The author explains how the pair of Enantiomers has different configurations, such as different optical activity, specific rotation of plane-polarized light by an optically compound, and racemic mixture.

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Chapter 4 Solutions