Organic Chemistry (8th Edition)

Published by Pearson
ISBN 10: 0321768418
ISBN 13: 978-0-32176-841-4

Chapter 5 - Stereochemistry - Problems - Page 189: Problem 5-10

Answer

We can check by first using a solution of one-fourth concentration.

Work Step by Step

First we take a solution of one-fourth concentration and check the rotation of the sample. It could be either $+/-45^{\circ}$, which tells us whether the full concentrated solution would give rotation of $+180^{\circ}$ or $-180^{\circ}$.
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