One mole of O _ 2( ~g ) and two moles of SO _ 2( ~g ) were heated in a closed vessel of one-litre capacity at 1098 ~K . At equilibrium 1.6 moles of SO _ 3( ~g ) were found. The equilibrium constant K_c of the reaction would be

Step-by-step solution

O ₂+2 SO ₂ 2 SO ₃ at t =0 1 2 0 at equil. (1- ) 2(1- ) 2 Given at equilibrium aligned & 2 =1.6 & K_ C = (2 )^2 (1- )(2-2 )^2 = array c =0.8 (0.8)^2 array (1-0.8)(1-0.8)^2 & = 0.64 0.002 & K_ C =80 & aligned