question_answer

At constant temperature, the equilibrium constant (Kp) for the decomposition reaction \[{{N}_{2}}{{O}_{4}}\]⇌\[2N{{O}_{2}}\] is expressed by\[{{K}_{P}}=\frac{(4{{x}^{2}}P)}{(1-{{x}^{2}})}\],           where \[P=\] pressure, \[x=\] extent of decomposition. Which one of the following statements is true [IIT Screening 2001]

A)                 Kp increases with increase of P

B)                 Kp increases with increase of x

C)                 Kp increases with decrease of x

D)                 Kp remains constant with change in P and x