The reaction between and takes place as follows: If a solution of mol of oxygen and mol of nitrogen is placed in a reaction vessel and allowed to form at a temperature for which , determine the composition of the equilibrium solution.

Answer:

Assuming the concentration of at equilibrium be

The given reaction is:

+

Given, intial mol.= of &

of

At equilibrium, the moles will be following of Nitrogen and oxygen, respectively,

The moles product is,
Thus, concentration of each will be,

The equilibrium constant has a value that is exceedingly tiny. This implies that only tiny quantities are involved. Then,

and

Now substutiting the value,