For gaseous phase process $$A+B$$⇌$$C+D$$ , initially $$1$$ mol each of A & B and $$2$$ mole each of C & D are present. If $$2.5$$ mole each of C & D are present at equilibrium, Kc is

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For gaseous phase process $$A+B$$⇌$$C+D$$     , initially $$1$$ mol each of A & B and $$2$$ mole each of C & D are  present. If $$2.5$$ mole each of C & D are present at equilibrium, Kc     is

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A   $$+$$   B   ⇌   C   $$+$$   D                $$1$$           $$1$$              $$2$$          $$2$$             x          x              x          $$x_$$     (1$$−$$x)  (1$$−$$x)  (2+x)  (2+x)         $$0.5$$        $$0.5$$          $$2.5$$         $$2.5$$       Given   $$2+x=2.5$$                       ⇒$$x=0.5$$              $$Kc=2.5$$×$$2.50.5$$×$$0.5=25$$

For gaseous phase process A+B⇌C+D , initially 1 mol each of A & B and 2 mole each of C & D are present. If 2.5 mole each of C & D are present at equilibrium, Kc is

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