Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 16 - Acid-Base Equilibria - Exercises - Page 717: 16.24a


$HClO_3$ is the stronger acid.

Work Step by Step

$HClO_3$ is one of the 7 common strong acids. Since $HClO_3$ completely dissociates in water, and $HClO_2$ doesn't, $HClO_3$ is the stronger. $K_a(HClO_3) > 1$ $K_a(HClO_2) \approx 1.1 \times 10^{-2}$
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