Chemical EquilibriumHard

Question

The equilibrium constant for reaction H2(g) + CO2(g) ⇋  H2O(g) + CO(g) is 1·8 at 1000oC. If one mole of H2 and 1·0 mole of CO2 are placed in a one litre flask. The final equilibrium concentration of CO at 1000oC will be : -

Options

A.0.290 M
B.0.386 M
C.0.573 M
D.0.688 M

Solution

         H2(g) + CO2(g) ⇋ H2O(g) + CO(g)

KC =
1.8 = = 1.34
    or x = 1.34 - 1.34 x
or x = = 0.573 m

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