How it affects equilibrium composition of reaction mixture

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Two moles of H2 gas as well as one mole of O2 gas are mixed at 250C. Although the K for this reaction under these conditions is very large (-1.3X1083) nothing happens. While a piece of platinum metal is added the gases react rapidly. Explicate the role of platinum in the reaction and how it affects equilibrium composition of the reaction mixture?

Reference no: EM13659962

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