For the water gas reaction C(S)+H2O(g)⇌CO(g)+H2(g)
At 1000K the standard Gibbs free energy change of the reaction is−8.314kJ/mol. Therefore at 1000K the equilibrium constant of the above water gas reaction is: (Wheree=2.718=Euler's number)
A
1
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B
10
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C
1e
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D
e
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Solution
The correct option is De We know the equation, −ΔG∘=RTlnKeq
Where, ΔG∘=standard Gibbs free energy change Keq=equilibrium constant ΔrG∘=−8.314×103 ∴−ΔrG∘=8.314×103=RTlnKeq⇒8.314×103=8.314×103lnKeq⇒lnKeq=1=lne⇒Keq=e