For the reaction at equilibrium : if at equilibrium and total pressure is

CHEMISTRY · Single correct · A Level · Chemistry · Gaseous equilibria (Kp) · Gaseous equilibria (Kp)

Problem

For the reaction at equilibrium :

2\text{NOBr}(g) \rightleftharpoons 2\text{NO}(g) + \text{Br}_2(g)

P_{\text{Br}_2} = \frac{P}{9}

at equilibrium and total pressure is

P

, then ratio of

\frac{K_p}{P}

is equal to : (1)

\frac{1}{9}

(2)

\frac{1}{81}

(3)

\frac{1}{27}

(4)

\frac{1}{3}