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What is Ky for CN- (aq) + H20(1) = HCN(aq) + OH (aq)?​

What Is Ky For CN Aq H201 HCNaq OH Aq class=

Sagot :

Answer:

Explanation:

CN- (aq) + H₂0(l) = HCN(aq) + OH⁻ (aq)

In this reaction CN⁻ acts as base so

Kb = [ HCN][OH⁻] / [CN⁻ ]

Here water acts as medium so it is in excess hence its concentration remains constant . Hence its concentration is not taken into consideration.

(D) is the right choice.

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