1.

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 :

Answer»

Amount of `N_2` gas will increase
Amount of `O_2` gas will increase
Amount of `O_2` gas will DECREASE
Nothing can be SAID with certainty about amount of `O_2`gas.

Solution :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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