At 600 K , 2 mol of NO are mixed with 1 mol of O 2. 2 NO ( g )+ O 2( g ) leftarrows 2 NO 2( g ) The reaction occurring as above comes to equilibrium under a total pressure of 1 atom. Analysis of the system shows that 0.6 mol of oxygen are present at equilibrium. The equilibrium constant for the reaction is (Nearest integer).

Question

At 600 K , 2 mol of NO are mixed with 1 mol of O 2. 2 NO ( g )+ O 2( g ) leftarrows 2 NO 2( g ) The reaction occurring as above comes to equilibrium under a total pressure of 1 atom. Analysis of the system shows that 0.6 mol of oxygen are present at equilibrium. The equilibrium constant for the reaction is (Nearest integer). (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/54cb23f98e1471c0608cc7251b3b02ad-.png" /> K p =(((0.8/2.6))2/((1.2)2.6)2((0.6)2.6)=1.925

Kp​=(2.61.2​)2(2.60.6​)(2.60.8​)2​=1.925

$K_{p} = \frac{( \frac{0.8}{2.6} ) ^{2}}{( \frac{1.2}{2.6} ) ^{2} ( \frac{0.6}{2.6} )} = 1.925$