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 652c: 48c


$HClO_4$ is a stronger acid.

Work Step by Step

Since the central atoms are different for the molecules, we can compare them. - The electronegativity of the central atom is a factor that affects the strength. The more electronegative atom makes the stronger oxoacids. Therefore, since "$Cl$" is more electronegative than "$S$", $HClO_4$ is a stronger acid.
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