For the following three reactions a, b and c, equilibrium constants are given:
a. CO (g) + H₂O (g) CO₂(g) + H₂ (g) ; K₁
b. CH₄ (g) + H₂O (g) CO(g) + 3H₂ (g) ; K₂
c. CH₄ (g) + 2H₂O (g) CO₂(g) + 4H₂ (g) ; K₃
JEE Main 2008 · Annual, Paper 1 · Q400