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 \chi_L and \chi_M and represent mole fractions of L and M, respectively, in the solution. The correct statement(s) applicable to this system is(are) : [JEE Adv 2017 P1]

The point Z represent vapour pressure of pure liquid M and Raoult’s law is obeyed when \chi_L\to0

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

The point Z represents vapour pressure of pure liquid L and Raoult’s law is obeyed when \chi_L\to1

The point Z represents vapour pressure of pure liquid M and Raoult’s law is obeyed from \chi_l=0 to \chi_L=1

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Section: Chemistry

Question : 12 of 23

Marks: +1, -0

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 χL and χM and represent mole fractions of L and M, respectively, in the solution. The correct statement(s) applicable to this system is(are) :

[JEE Adv 2017 P1]

The point Z represent vapour pressure of pure liquid M and Raoult’s law is obeyed when χL→0
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
The point Z represents vapour pressure of pure liquid L and Raoult’s law is obeyed when χL→1
The point Z represents vapour pressure of pure liquid M and Raoult’s law is obeyed from χl=0 to χL=1

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