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WHat is the expression of KC of the chemical equation Ag2O(s) + 2HNO3(aq) \(\rightleftharpoons\) 2AgNO3(aq) +H2O(l)?

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in Chemistry – Class 11 by (148k points)
WHat is the expression of KC of the chemical equation Ag2O(s) + 2HNO3(aq) \(\rightleftharpoons\) 2AgNO3(aq) +H2O(l)?

(a) [AgNO3(aq)]^2/[HNO3(aq)]^2

(b) [AgNO3(aq)]/[HNO3(aq)]^2

(c) [AgNO3(aq)]^2/[HNO3(aq)]

(d) [AgNO(aq)]^2/[HNO3(aq)]^2

The question was posed to me in semester exam.

The question is from Homogeneous Equilibria in section Equilibrium of Chemistry – Class 11

1 Answer

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Right choice is (a) [AgNO3(aq)]^2/[HNO3(aq)]^2

To explain: It is important that for the existence of heterogeneous equilibrium pure solid or liquid must also be at equilibrium, but their concentrations do not appear in the expression of the equilibrium constant. So here KC = [AgNO3(aq)]^2/[HNO3(aq)]^2.

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