GKFix MCQ Question

What is the equilibrium constant for the reaction C(s) + H2O(g) ⇌ CO(g) + H2(g)?

• A. [CO][H2] / ([C][H2O])
• B. [C][H2O] / ([CO][H2])
• C. [CO][H2] / [H2O]
• D. [H2O] / ([CO][H2])