For the reaction, AB(g) hArr A(g)+ B(g), at equilibrium, AB is 20% dissociated at a total pressure of P. The equilibrium constant K_p is related to the total pressure by the expression……………… .

For the reaction, AB(g) hArr A(g)+ B(g), at equilibrium, AB is 20% dis

1.	For the reaction, AB(g) hArr A(g)+ B(g), at equilibrium, AB is 20% dissociated at a total pressure of P. The equilibrium constant K_p is related to the total pressure by the expression……………… .
Answer» `P = 24 K_P` `P = 8 K_P` `24 P = K_P` NONE of these Solution : Total no. of moles at equilibrium`= 80+ 20 + 20 + 120` `K_P = (P_a.P_B)/(P_(AB)) = ((20/120xxP)(20/120 xx P))/((80/120xxP)) = P /24` `24 K_P = P`