Question

A mixture of 1.57 mol of , 1.92 mol of H and 8.13 mol of is introduces into a 20L reaction vessel at 500K. At this temperature, the equilibrium constant, for the reaction is . Is the reaction mixture at equilibrium? If not what is the direction of the net reaction?

A

Not at equilibrium, forward shift

B

Not at equilibrium, backward shift

C

Cannot be predicted

D

In equilibrium

Hard
Updated on : 2022-09-05
Solution
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Correct option is B)

The reaction for the formation of ammonia is . The expression for the reaction quotient is

Substitute values in the above expression. 

 

But the value of is . Thus, the value of the reaction quotient is greater than the value of the equilibrium constant

Thus, the reaction is not at equilibrium. To attain an equilibrium, the reaction will shift backward.

Solve any question of Equilibrium with:-
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