(a) Interpretation: Whether lactose is dextrorotatory or levorotatory compound should be determined. Concept Introduction: Chiral or optically active molecules can rotate plane-polarized light either clockwise or counter clockwise. If plane-polarized light is rotated clockwise then it is known as dextrorotatory and for counter clockwise rotation it is known as levorotatory.

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Answer 1

Question

Chapter 15, Problem 15.61P

Interpretation Introduction

(a)

Interpretation:

Whether lactose is dextrorotatory or levorotatory compound should be determined.

Concept Introduction:

Chiral or optically active molecules can rotate plane-polarized light either clockwise or counter clockwise. If plane-polarized light is rotated clockwise then it is known as dextrorotatory and for counter clockwise rotation it is known as levorotatory.

Interpretation Introduction

(b)

Interpretation:

Specific rotation of the enantiomer of lactose should be determined.

Concept Introduction:

Enantiomers rotate the plane-polarized light in opposite directions by same angle.

Interpretation Introduction

(c)

Interpretation:

The amount of lactose enantiomer dissolved in water should be determined.

Concept Introduction:

Physical properties of enantiomers are similar except the direction of optical activity. Solubility, melting point, boiling points are similar.

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Students have asked these similar questions

(a) assign R or S configuration to each chiral center, (b) Which compound are enantiomers? (c) Which compounds are diastereomers?

Designate the configuration of each chiral center in the following molecules as R or S. (a) (b) (c) (d) HO N° H F H CI HO>C

The specific rotation, [a]p, for (-)-2-butanol is +14. What is the observed rotation for a solution of 1.0 g of (-)-2-butanol in 10 mL of water in a sample tube having a pathlength of 10 cm? 1.4 degrees . The observed rotation of a solution of 1.1 g of a compound in 10 mL of water is -10 degrees. If the pathlength is 10 cm, what is the specific rotation of the compound?

Answer 2

Question

Chapter 15, Problem 15.61P

Interpretation Introduction

(a)

Interpretation:

Whether lactose is dextrorotatory or levorotatory compound should be determined.

Concept Introduction:

Chiral or optically active molecules can rotate plane-polarized light either clockwise or counter clockwise. If plane-polarized light is rotated clockwise then it is known as dextrorotatory and for counter clockwise rotation it is known as levorotatory.

Interpretation Introduction

(b)

Interpretation:

Specific rotation of the enantiomer of lactose should be determined.

Concept Introduction:

Enantiomers rotate the plane-polarized light in opposite directions by same angle.

Interpretation Introduction

(c)

Interpretation:

The amount of lactose enantiomer dissolved in water should be determined.

Concept Introduction:

Physical properties of enantiomers are similar except the direction of optical activity. Solubility, melting point, boiling points are similar.

Expert Solution & Answer

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Answer 3

Question

Chapter 15, Problem 15.61P

Interpretation Introduction

(a)

Interpretation:

Whether lactose is dextrorotatory or levorotatory compound should be determined.

Concept Introduction:

Chiral or optically active molecules can rotate plane-polarized light either clockwise or counter clockwise. If plane-polarized light is rotated clockwise then it is known as dextrorotatory and for counter clockwise rotation it is known as levorotatory.

Interpretation Introduction

(b)

Interpretation:

Specific rotation of the enantiomer of lactose should be determined.

Concept Introduction:

Enantiomers rotate the plane-polarized light in opposite directions by same angle.

Interpretation Introduction

(c)

Interpretation:

The amount of lactose enantiomer dissolved in water should be determined.

Concept Introduction:

Physical properties of enantiomers are similar except the direction of optical activity. Solubility, melting point, boiling points are similar.

Expert Solution & Answer

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Answer 4

Question

Chapter 15, Problem 15.61P

Interpretation Introduction

(a)

Interpretation:

Whether lactose is dextrorotatory or levorotatory compound should be determined.

Concept Introduction:

Chiral or optically active molecules can rotate plane-polarized light either clockwise or counter clockwise. If plane-polarized light is rotated clockwise then it is known as dextrorotatory and for counter clockwise rotation it is known as levorotatory.

Interpretation Introduction

(b)

Interpretation:

Specific rotation of the enantiomer of lactose should be determined.

Concept Introduction:

Enantiomers rotate the plane-polarized light in opposite directions by same angle.

Interpretation Introduction

(c)

Interpretation:

The amount of lactose enantiomer dissolved in water should be determined.

Concept Introduction:

Physical properties of enantiomers are similar except the direction of optical activity. Solubility, melting point, boiling points are similar.

Expert Solution & Answer

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Answer 5

Chapter 15, Problem 15.61P

Interpretation Introduction

(a)

Interpretation:

Whether lactose is dextrorotatory or levorotatory compound should be determined.

Concept Introduction:

Chiral or optically active molecules can rotate plane-polarized light either clockwise or counter clockwise. If plane-polarized light is rotated clockwise then it is known as dextrorotatory and for counter clockwise rotation it is known as levorotatory.

Interpretation Introduction

(b)

Interpretation:

Specific rotation of the enantiomer of lactose should be determined.

Concept Introduction:

Enantiomers rotate the plane-polarized light in opposite directions by same angle.

Interpretation Introduction

(c)

Interpretation:

The amount of lactose enantiomer dissolved in water should be determined.

Concept Introduction:

Physical properties of enantiomers are similar except the direction of optical activity. Solubility, melting point, boiling points are similar.

Answer 6

Chapter 15, Problem 15.61P

Interpretation Introduction

(a)

Interpretation:

Whether lactose is dextrorotatory or levorotatory compound should be determined.

Concept Introduction:

Chiral or optically active molecules can rotate plane-polarized light either clockwise or counter clockwise. If plane-polarized light is rotated clockwise then it is known as dextrorotatory and for counter clockwise rotation it is known as levorotatory.

Answer 7

Chapter 15, Problem 15.61P

Interpretation Introduction

(a)

Interpretation:

Whether lactose is dextrorotatory or levorotatory compound should be determined.

Concept Introduction:

Chiral or optically active molecules can rotate plane-polarized light either clockwise or counter clockwise. If plane-polarized light is rotated clockwise then it is known as dextrorotatory and for counter clockwise rotation it is known as levorotatory.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Specific rotation of the enantiomer of lactose should be determined.

Concept Introduction:

Enantiomers rotate the plane-polarized light in opposite directions by same angle.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Specific rotation of the enantiomer of lactose should be determined.

Concept Introduction:

Enantiomers rotate the plane-polarized light in opposite directions by same angle.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The amount of lactose enantiomer dissolved in water should be determined.

Concept Introduction:

Physical properties of enantiomers are similar except the direction of optical activity. Solubility, melting point, boiling points are similar.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The amount of lactose enantiomer dissolved in water should be determined.

Concept Introduction:

Physical properties of enantiomers are similar except the direction of optical activity. Solubility, melting point, boiling points are similar.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 15.1 - Prob. 15.1P Ch. 15.1 - For trans-2-hexene: (a) draw a stereoisomer; (b)...Ch. 15.2 - Prob. 15.3P Ch. 15.2 - Prob. 15.4P Ch. 15.3 - Prob. 15.5P Ch. 15.3 - Prob. 15.6P Ch. 15.3 - Prob. 15.7P Ch. 15.3 - Prob. 15.8P Ch. 15.3 - Prob. 15.9P Ch. 15.3 - Prob. 15.10P

Solution Summary: The author explains that lactose is dextrorotatory, and enantiomers rotate the plane-polarized light in opposite directions by the same angle.

Concept explainers

(b)

Interpretation:

Specific rotation of the enantiomer of lactose should be determined.

Concept Introduction:

Enantiomers rotate the plane-polarized light in opposite directions by same angle.

(c)

Interpretation:

The amount of lactose enantiomer dissolved in water should be determined.

Concept Introduction:

Physical properties of enantiomers are similar except the direction of optical activity. Solubility, melting point, boiling points are similar.

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Chapter 15 Solutions

Solution Summary: The author explains that lactose is dextrorotatory, and enantiomers rotate the plane-polarized light in opposite directions by the same angle.

Concept explainers

(b) Interpretation: Specific rotation of the enantiomer of lactose should be determined. Concept Introduction: Enantiomers rotate the plane-polarized light in opposite directions by same angle.

(c) Interpretation: The amount of lactose enantiomer dissolved in water should be determined. Concept Introduction: Physical properties of enantiomers are similar except the direction of optical activity. Solubility, melting point, boiling points are similar.

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Chapter 15 Solutions

(b)

Interpretation:

Specific rotation of the enantiomer of lactose should be determined.

Concept Introduction:

Enantiomers rotate the plane-polarized light in opposite directions by same angle.

(c)

Interpretation:

The amount of lactose enantiomer dissolved in water should be determined.

Concept Introduction:

Physical properties of enantiomers are similar except the direction of optical activity. Solubility, melting point, boiling points are similar.