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The thermal dissociation equilibrium of `CaCO_(3)(s)` is strudied under different conditions `CaCO_(3)(s)hArrCaO(s)+CO_(2)(g)` For this equilibrium, the correct statements are (i) K is dependent on the pressure of `CO_(2)` at a given T. (ii) `Delta H` is dependent on T. (iii) `Delta H` is independent of the catalyst, if any. (iv) K is independent of the inintial amount of `CaCO_(3)`.A. (i), (ii), (iii), (iv)B. (i), (ii), (iii)C. (ii), (iii), (iv)D. (i), (ii), (iv) |
Answer» Correct Answer - C `CaCO_(3)(s)hArrCaO(s)+CO_(2)(g)` Since `CaCO_(3)` and `CaO` are pure solids, we have `K_(eq)=[CO_(2)]` Thus, the equilibrium constant (K) is dependent on the pressure of `CO_(2)` at a given T but is independent of the intial amount of K. `Delta H` does not depend on catalyst but depends on temperature. |
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