Which of the following plots does not represe | vedclass

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(D) An ideal solution follows Raoult's Law,which states that the partial pressure of each component is directly proportional to its mole fraction: $P_

Vedclass · Accepted Answer

The plot of $P_{total}$ vs $X_A$ is not a straight line.

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(D) An ideal solution follows Raoult's Law,which states that the partial pressure of each component is directly proportional to its mole fraction: $P_A = P_A^0 X_A$ and $P_B = P_B^0 X_B$.Therefore,the plots of $P_A$ vs $X_A$ and $P_B$ vs $X_B$ are straight lines passing through the origin.The total pressure is given by $P_{total} = P_A + P_B = P_A^0 X_A + P_B^0 (1 - X_A) = (P_A^0 - P_B^0) X_A + P_B^0$.This equation represents a straight line with respect to $X_A$ (or $X_B$).Thus,the statement that the plot of $P_{total}$ vs $X_A$ is not a straight line is incorrect for an ideal solution.

Which of the following plots does not represent the behavior of an ideal solution of $A$ and $B$?

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