Minimum gibbs free energy is NOT attained by a semipermeable membrane. True or false?

Minimum gibbs free energy is NOT attained by a semipermeable membrane. True or false?
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Gibbs-Duhem equation (A) States that n1dμ1 + n2dμ2 + ....njdμj = 0, for a system of definite composition at constant temperature and pressure (B) Applies only to binary systems (C) Finds no application in gas-liquid equilibria involved in distillation (D) None of these

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