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Consider two equilibrium `2Cl_2(g)+2H_2O(g)hArr4HCl(g)+O_2(g) and N_2(g)+O_2(g)hArr2NO(g)` simultaneously established in a closed vessel.When some amount of HCl is added at equilibrium, which of the following statements is/are correct :A. Amount of `N_2` gas will increaseB. Amount of `O_2` gas will increaseC. Amount of `O_2` gas will decreaseD. Nothing can be said with certainty about amount of `O_2`gas. |
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Answer» Correct Answer - A,C When some amount of HCl is added to equilibrium, the first eq. will shift in backward direction leading to decrease in amount of `O_2`.Then , the second eq. will shift in backward direction to increase the amount of `O_2`.Thus, amount of `N_2` gas will increase. |
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