The formula for the compounds in the reaction are as follows with the respective states Carbon monoxide - CO (g) hydrogen - H₂ (g) methane - CH₄(g) water - H₂O (l) reaction of carbon monoxide with hydrogen gas gives rise to methane and water the balanced chemical equation for the above reaction is as follows CO(g) + 3H₂(g) --> CH₄(g) + H₂O(l)
