At constant temperature, the equilibrium constant `(K_(p))` for the decomopsition reaction `N_(2)O_(4)hArr2NO_(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 ?

Options

A. Kp increases with increases of p
B. Kp increases with increases of x
C. Kp increases with decreases of x
D. Kp remains constant with change in p and x

Answer

D

Explanation

`N_(2)O_(4) rarr 2NO_(2)`
`Kp = 4x^(2)p/1-x^(2)`
Kp is function of temperature only. Does not change with either P or x.