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  • Describe the effect of: (a) addition of H_ 2 2 H_2 (g)+CO (g) CH _3 OH (g)

7.29         Describe the effect of :

       (a)        addition of H2
        (b)        addition of CH3OH

      (c)        removal of CO  

       (d)        removal of CH3OH

                         2H_{2}(g)+CO(g)\rightleftharpoons CH_{3}OH(g)

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2H_{2}(g)+CO(g)\rightleftharpoons CH_{3}OH(g)
(a)According to Le Chatelliers principle, on the addition of dihydrogen, the number of mole of H_2 increases on the reactant side. Thus to attain the equilibrium again the reaction will move in the forward direction.

(b) According to Le Chatellier's principle, on the addition of methyl alcohol, the number of moles of methyl alcohol increases on the product sides. So, to attain the equilibrium, the reaction will proceed in a backward direction.

(c) If we remove the CO from the reactant side, the concentration on the reactant side will decrease and to attain an equilibrium, the reaction will shift backward direction

(d) On removal of CH_{3}OH the equilibrium will shift in the forward direction.

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