Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 15 - Acids and Bases - Questions & Problems - Page 711: 15.54

Answer

Bases, in order of increasing Kb value, are: $(c), (a)$ $and$ $(b).$

Work Step by Step

Higher Kb (with equal concentrations), means a higher number of $OH^-$, because the base will dissociate in a larger scale. - (a) has 2 $OH^-$ - (b) has 3 $OH^-$ - (c) has 1 $OH^-$ Therefore, (c) has the lowest Kb value, (a) has the medium and (b) has the highest.
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