Question

The equilibrium constant for the reaction 2SO₂ + O₂ ⇋ 2SO₃ at at 1000 K is 3.5. What would be partial pressure of oxygen gas have to be give equal moles of SO₂ and SO₃ ?

(A) 0.29 atm 

(B) 3.5 atm 

(C) 0.53 atm 

(D) 1.87 atm

Answer 1

Correct option (A) 0.29 atm

Explanation : 

Here, partial pressure of SO₃ abd SO₂ same because moles of SO₂ and SO₃ are equal at equilibrium.