The equilibrium constant `(K_(p))` for the decomposition of gaseous `H_(2)O`
`H_(2)O(g)hArr H_(2)(g)+(1)/(2)O_(2)(g)`
is related to the degree of dissociation `alpha` at a total pressure P by

Options

A. `K_(p)=(alpha^(3)P^(1//3))/((1+alpha)(2+alpha)^(1//2))`
B. `K_(p)=(alpha^(3)P^(3//2))/((1-alpha)(2+alpha)^(1//2))`
C. `K_(p)=(alpha^(3//2)P^(3))/((1-alpha)(2+alpha)^(1//2))`
D. `K_(p)=(alpha^(3//2)P^(1//2))/((1-alpha)(2+alpha)^(1//2))`

Answer

D

Explanation

`N//A`