Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 16 - Section 16.4 - Acid Strength and the Acid Ionization Constant (Ka) - Conceptual Connection - Page 732: 16.2


$HB$ has the largest $K_a$.

Work Step by Step

1. $K_a$ is proportional to ionization. The larger the $K_a$, the greater is the ionization. - Therefore, the acid that produces mores $H^+$ and its conjugate base (greatest ionization) is the one with the largest $K_a$ 2. Count the amount of protons in each image. $HA$: 1 proton $HB$: 4 protons $HC$: 2 protons - Since HB has more protons, it is the one with the largest $K_a$.
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