Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 14 - Acids and Bases - Questions for Review and Thought - Topical Questions - Page 652d: 76b


$CO_2$ is a Lewis acid.

Work Step by Step

Oxides formed by a nonmetal are considered Lewis acids. This happens because, as we've learned in section 14-9b, if the molecule has a pi bond in its central atom, and this atom is slightly positively charged**, it can receive one lone pair of electrons. ** Since oxygen is very electronegative, it attracts the electrons in the bond, making the central atom slightly positive. Receiving one lone pair of electrons, it is considered a Lewis acid.
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