Question bank/NEET UG/Chemistry
NEET UGChemistryModerateNEET 2025
5 moles of liquid X and 10 moles of liquid Y make a solution having a vapour pressure of 70 torr. The vapour pressures of pure X and Y are 63 torr and 78 torr respectively. Which of the following is true regarding the described solution?
Show answer and solution
Sol.
torr
Observed total pressure of solution is 70 torr.
It is less than calculated total pressure.
Hence, it shows negative deviation.
torr
Observed total pressure of solution is 70 torr.
It is less than calculated total pressure.
Hence, it shows negative deviation.
Source: geekyrakshit/indian-exam-questions / neet2025-code45
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