## Chemistry: The Central Science (13th Edition)

Published by Prentice Hall

# Chapter 16 - Acid-Base Equilibria - Exercises - Page 720: 16.87d

#### Answer

$H_2SO_4$ is stronger than $H_2SeO_4$ because, the strength of oxyacids depends on the electronegativity of the central atom. Since $S$ is more electronegative, $H_2SO_4$ is stronger.

#### Work Step by Step

This happens because, when the central atom of an oxyacid is more electronegative, it attracts the electrons from the hydrogen atoms, making the donation easier.

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