MediumNEET 2025 Paper
+4 / -1
5 moles of liquid X and 10 moles of liquid Y make a solution having vapour pressure of 70 torr. Vapour pressures of pure X and Y are 63 torr and 78 torr respectively.
A
The solution shows positive deviation
B
The solution shows negative deviation
C
The solution is ideal
D
Volume greater than sum
Explanation
Raoult’s law check: calculated pressure = observed → ideal solution.
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