Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

by Timberlake, Karen C.

Published by Prentice Hall

ISBN 10: 0321908449

ISBN 13: 978-0-32190-844-5

Chapter 12 - Section 12.3 - Aldehydes and Ketones - Figure 12.4 - Page 409: 1

Answer

Aldehyde group must include -CHO group.

Work Step by Step

-CHO group is always at the end of carbon chain. Because carbon has 4 valency. And in -CHO group only one valency is left. That's why -CHO group is added at the end of main chain

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