Which of the following graphs does not repres | vedclass

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(D) An ideal binary liquid solution obeys Raoult's Law,which states that $P_A = P_A^0 X_A$ and $P_B = P_B^0 X_B$. Since $P_{total} = P_A + P_B = P_A^0

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The graph of $P_{total}$ versus $X_A$ is non-linear.

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(D) An ideal binary liquid solution obeys Raoult's Law,which states that $P_A = P_A^0 X_A$ and $P_B = P_B^0 X_B$. Since $P_{total} = P_A + P_B = P_A^0 X_A + P_B^0 (1 - X_A) = (P_A^0 - P_B^0) X_A + P_B^0$,the total pressure is a linear function of the mole fraction. Therefore,graphs of $P_A$ vs $X_A$,$P_B$ vs $X_B$,and $P_{total}$ vs $X_A$ are all linear for an ideal solution. Option $D$ states that the graph of $P_{total}$ vs $X_A$ is non-linear,which contradicts the behavior of an ideal solution.

Which of the following graphs does not represent the behavior of an ideal binary liquid solution?

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