Organic Chemistry (8th Edition)

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

Chapter 23 - Carbohydrates and Nucleic Acids - Problems - Page 1103: Problem 23-2 c

Answer

Aldohexose- 4 chiral carbons, 16 stereoisomers. Ketohexose- 3 chiral carbons, eight stereoisomers.

Work Step by Step

-Aldohexose has 4 chiral carbons, so it forms $2^4 =16$ stereoisomers. Ketohexose has 3 chiral carbons, so it forms $2^3 = 8$ stereoisomers.
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