Chemistry 10th Edition

Published by Brooks/Cole Publishing Co.
ISBN 10: 1133610668
ISBN 13: 978-1-13361-066-3

Chapter 10 - Reactions in Aqueous Solutions I: Acids, Bases, and Salts - Exercises - Bronsted-Lowry Theory - Page 368: 13


Auotionization is the reaction between two molecules of the same species, forming two ionized products. In the autoionization of water, one proton from the first water molecule is donated to the second water molecules, forming $H^+$ and $OH^-$. The first $H_2O$ acts as an acid, and the second one as a base. In order to be able to undergo autoionization, a compound must be amphiprotic.

Work Step by Step

The reaction for the autoionization of water is: $$H_2O(l) \rightleftharpoons H_3O^+(aq) + OH^-(aq)$$ See Section 10-5 Page 353.
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