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# Dissociation Constant for a Complex Ion

CHEM-XVJRCH

What is the value of the dissociation constant, $K_{d}$, for the complex ion $Ag(CN)_{2}^{-}$?

$K_{formation}Ag(CN)_{2}^{-} \ = \ 5.6 \times 10^{18}$?

A

$1.8 \times 10^{-19}$

B

$3.6 \times 10^{-19}$

C

$5.6 \times 10^{18}$

D

$1.1 \times 10^{19}$