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Topic D. Quantitative Relationship between Ka and Kb of Conjugate Acid-Base Pairs
2. Self-test
What is the
K
b
for the equilibrium below where K
a
is 6.2 × 10
-10
at 25
o
C?
CN
-
+ H
2
O
⇌
HCN + OH
-
Ans:
K
b
= 1.6 × 10
-5