At constant temperature, the equilibrium constant (K_p) for the decomposition reactionN_2O_4 ⇋ 2NO_2 is expressed

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Q 2616501470.     At constant temperature, the equilibrium constant (K_p) for the decomposition reactionN_2O_4 ⇋ 2NO_2 is expressed by K_p = (4x^2 p)/((1-x^2)) where, p = pressure, x = extent of decomposition. Which one of the following statement is
true ?
JEE 2001
A

K_ P increases with increase of p

B

K_ P increases with increase of x

C

K_ P increases with decrease of x

D

K_p remains constant with change in p and x

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