For the homogeneous reaction , the correct equilibrium constant expression is: — Chemical Equilibrium Chemistry Question
Question
For the homogeneous reaction $Cu(s) + 2Ag^+(aq) \rightleftharpoons Cu^{2+}(aq) + 2Ag(s)$, the correct equilibrium constant $K_c$ expression is:
Answer: B
💡 Solution & Explanation
Pure solids ($Cu$ and $Ag$) have a constant active mass of 1 and do not appear in the equilibrium expression. Therefore, $K_c = [Cu^{2+}] / [Ag^+]^2$.
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