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    Exam 15: Acids and Bases
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    Determine the K<sub>b</sub> for CN<sup>-</Sup> at 25 °C
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Determine the Kb for CN- at 25 °C

Question 126

Question 126

Multiple Choice

Determine the Kb for CN- at 25 °C.The Ka for HCN is 4.9 × 10-10.


A) 4.9 × 10-14
B) 2.3 × 10-9
C) 1.4 × 10-5
D) 2.0 × 10-5
E) 3.7 × 10-7

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