11sir please this is a pure subjective problems which has a very less scope in jee now
I REQUEST U TO GIVE SOME TRICKY AND CONCEPTUAL PROBLEMS RATHER THAN THESE LENGTHY ONES[1]
BYE THE WAY THE ANSWER FOLLOWS
The molar volume of liquid benzene(density=0.887 g / ml) increases by a factor of 2750 as it vaporizes at 20 degree C and that of liquid toulune (density = 0.867 g/ml) increases by a factor of 7720 at 20 degreeC. A solution of benzene and tolune at 20 degree C has a vapour pressure of 46.0 Torr. Find the mole fraction of benzene in the vapour above the solution.
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