Student's Study Guide and Solutions Manual for Organic Chemistry
Student's Study Guide and Solutions Manual for Organic Chemistry
8th Edition
ISBN: 9780134066585
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 4.9, Problem 28P

(a)

Interpretation Introduction

Interpretation:

The rotation of R-lactic acid as to be predicted.

Concept introduction:

Enantiomer has asymmetric centers, so it shows optical activity.

If Enantiomer that rotates plane polarized light in counterclockwise direction, then it is called levorotatory.

If Enantiomer that rotates plane polarized light in clockwise direction, then it is called dextrorotatory.

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

(b)

Interpretation Introduction

Interpretation:

The rotation of R-sodium lactate as to be predicted.

Concept introduction:

Enantiomer has asymmetric centers, so it shows optical activity.

If Enantiomer that rotates plane polarized light in counterclockwise direction, then it is called levorotatory.

If Enantiomer that rotates plane polarized light in clockwise direction, then it is called dextrorotatory.

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

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