Consider the following reaction:
SO2Cl2(g)⇌SO2(g)+Cl2(g)
A reaction mixture is made containing an initial [SO2Cl2] of 2.4×10−2 M . At equilibrium, [Cl2]= 1.3×10−2 M .

Calculate the value of the equilibrium constant (Kc).

Answer : The value of equilibrium constant (Kc) is, 0.0154

Explanation :

The given chemical reaction is:

Initial conc.              0             0

At eqm.             x              x

As we are given:

Concentration of at equilibrium =

That means,

The expression for equilibrium constant is:

Now put all the given values in this expression, we get:

Thus, the value of equilibrium constant (Kc) is, 0.0154

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