Chemical Engineering > GATE 2020 > Phase Equilibria
Mole fraction and activity coefficient of component 1 in a binary liquid mixture are x1 γ1 respectively. GE is excess molar Gibbs energy of the mixture, R is universal gas constant and T is absolute temperature of the mixture. Which one of the following is always true?
A
limx1→1 GE/RT = 0
B
limx1→1 GE/RT = 0.5
C
limx1→1 γ1 = 0
D
limx1→1 γ1 = 0.5

Correct : a

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