Organic Chemistry (8th Edition)

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

Chapter 11 - Reactions of Alcohols - Problems - Page 473: Problem 11-3 a

Answer

The Cr in the chromic acid binds to oxygen with 6 bonds before oxidation. and bind to oxygen with 4 bonds.

Work Step by Step

after the chromic acid binds with the alcohol forming the chromate ester the single bond between the chromium and the oxygen that is attached with the alcohol molecule is broken and also one of the two bonds of the chromium and the double bond oxygen broken leaving a negative charge on the oxygen (as shown in the drawing).
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