The K_a for HCN Is 4

question 80

Multiple Choice

The K_a for HCN is 4.9 × 10^-10.What is the value of K_b for CN^-?

• A)2.0 × 10^-5
• B)4.0 × 10^-6
• C)4.9 × 10⁴
• D)4.9 × 10^-24
• E)2.0 × 10⁹

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Definitions:

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