Answer
A
Work Step by Step
$CN^-: K_b=2.5\times10^{-5}$, which is relatively high, so the pH will increase
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 16 Principles of Chemical Reactivity: The Chemistry of Acids and Bases - 16-4 Acid-Base Properties of Salts - Review & Check for Section 16-4 - Page 600: 2
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