If a reaction vessel at 400∘C is charged with equimolar mixture of CO and steam such that PCO = PH₂O = 4 bar what will be that partial pressure of H2 at equilibrium
CO ᵢ + H₂O ⇔ CO₂ + H₂ₚ₌₉
A. 0.3 bar
B. 0.4 bar
C. 0.2 bar
D. 0.1 bar