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 720: 16.88b


$H_3PO_4$ is stronger than $H_3AsO_4$ because, $P$ is more electronegative than $As$.

Work Step by Step

For oxyacids, the electronegativity of the central atom is important because, the attraction of electrons increases the polarity of the $O - H$ bonds, increasing the acidity of the compound.
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