For a solution formed by mixing liquids L and M , the vapour pressure of L plotted…

Chemistry · JEE Advanced · NTA Exams — Solutions

For a solution formed by mixing liquids L and M, the vapour pressure of L plotted against the mole fraction of M in solution is shown in the following figure. Here x_L and x_M represent mole fractions of L and M, respectively, in the solution. The correct statement(s) applicable to this system is(are)

1. attractive intermolecular interactions between L-L in pure liquid L and M-M in pure liquid M are stronger than those between L-M when mixed in solution
2. the point Z represents vapour pressure of pure liquid M and Raoult’s law is obeyed when x_L → 0
3. the point Z represents vapour pressure of pure liquid M and Raoult’s law is obeyed from x_L = 0 to x_L = 1
4. the point Z represents vapour pressure of pure liquid L and Raoult’s law is obeyed when x_L → 1.