Calculate the equilibrium constant K_c for the following overall reaction: AgCl(s) + 2CN^-(aq) $\leftrightharpoons$ Ag(CN) ₂^-(aq) + Cl^-(aq)
For AgCl, K_sp = 1.6 * 10^-10; for Ag(CN) ₂^-, K_f = 1.0 * 10²¹.

Question

Calculate the equilibrium constant K_c for the following overall reaction: AgCl(s) + 2CN^-(aq)

\leftrightharpoons

Ag(CN) ₂^-(aq) + Cl^-(aq)
For AgCl, K_sp = 1.6 * 10^-10; for Ag(CN) ₂^-, K_f = 1.0 * 10²¹.

Quizplus · Accepted Answer

The equilibrium constant for the overall reaction is given by the product of the equilibrium constants for the individual reactions: K_c = (K_sp) / (K_f) Substituting the given values: K_c = (1.6 × 10^-10) / (1.0 × 10^-10 × (1)^2) = 1.6 Therefore, the best choice is C.

Calculate the Equilibrium Constant Kc for the Following Overall Reaction ⇋\leftrightharpoons⇋

Calculate the Equilibrium Constant K_c for the Following Overall Reaction $\leftrightharpoons$