The equilibrium constant for : is : (Given for and for )

CHEMISTRY · Single correct · AP · Chemistry · Acids and Bases · Acids and Bases

Problem

The equilibrium constant for :

\text{CN}^- + \text{CH}_3\text{COOH} \rightleftharpoons \text{HCN} + \text{CH}_3\text{COO}^-

is : (Given

\text{p}K_b

for

\text{CN}^- = 4.69

and

\text{pH}

for

\text{CH}_3\text{COO}^- = 9.25

) (1)

3.7 \times 10^4

(2)

2.8 \times 10^{-5}

(3) 1.97 (4) 0.5