At 298 K, K_(p) for reaction N_(2)O_(4) (g) hArr 2NO_(2) (g) is 0.98. Predict whether the reaction is spontaneous or not.

At 298 K, K_(p) for reaction N_(2)O_(4) (g) hArr 2NO_(2) (g) is 0.98.

1.	At 298 K, K_(p) for reaction N_(2)O_(4) (g) hArr 2NO_(2) (g) is 0.98. Predict whether the reaction is spontaneous or not.
Answer» Solution :For the reaction, `N_(2)O_(4) (g) hArr 2NO_(2) (g), L_(P) = 0.98` As we know that `Delta_(r) G^(Θ) = - 2.303 RT LOG K_(P)` Here, `K_(P) = 0.98` i.e., `K_(P) lt 1` therefore, `Delta_(r) G^(@)` is positive, hence the reaction is non-spontaneous.