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Discussion :: Chemical Engineering Thermodynamics

  1. The free energy change for a chemical reaction is given by (where, K = equilibrium constant)

  2. A.

     RT lnK

    B.

     -RT lnK

    C.

     -R lnK

    D.

     T lnK

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    Answer : Option B

    Explanation :

    The free energy change for a chemical reaction in terms of equilibrium constant is given by.
    ΔG∘=−RTlnK
    Since at equilibrium ΔG of the reaction =0


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