Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 15 - Acids and Bases - Questions & Problems - Page 709: 15.2


A Bronsted base needs a lone pair to form the bond between it and the proton ($H^+$).

Work Step by Step

The definition of a Bronsted base is that, it has the ability of receiving a proton. To form a bond between this base and that proton, it is necessary to have a pair of electrons. Since the proton doesn't have any pair, it has to come from the Bronsted base.
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