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Consider a binary liquid mixture at constant temperature T and pressure P. If the enthalpy change of missing, H = 5x1x 2, where x1 and x2 are mole fraction of species 1 and 2 respectively, and the entropy change of mixing &nbsp;= &ndash; R [x1 lnx1 + x2 lnx2] (with R = 8.314 J/mol.K), then the minimum value of the&nbsp;Gibbs free energy change of mixing at 300 K occurs when

### Options :-

1. x1 = 0
2. x1 = 0.2
3. x1 = 0.4
4. x1 = 0.5
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Consider a binary liquid mixture at constant temperature T and pressure P. If the enthalpy change of missing, H = 5x1x 2, where x1 and x2 are mole fraction of species 1 and 2 respectively, and the entropy change of mixing  = – R [x1 lnx1 + x2 lnx2] (with R = 8.314 J/mol.K), then the minimum value of the Gibbs free energy change of mixing at 300 K occurs when

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