Organic Chemistry As a Second Language, 3e: First Semester Topics

Published by John Wiley & Sons
ISBN 10: 111801040X
ISBN 13: 978-1-11801-040-2

Chapter 8 - Mechanisms - 8.5 Bases Versus Nucleophiles - Problems - Page 178: 8.29

Answer

This hydroxide is functioning as a base.

Work Step by Step

1. Analyze the head of the arrow that comes from the "OH". - It is making a bond with a hydrogen, which is losing its bond with the other compound. Therefore, the hydroxide is taking that proton ($H^+$) from the other compound, which makes it a base.
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