NEET 2021 Chemistry Vapour Pressure MCQ Question
The correct option for the value of vapour pressure of a solution at 45°C with benzene to octane in molar ratio 3 : 2 is: [At 45°C vapour pressure of benzene is 280 mm Hg and that of octane is 420 mm Hg. Assume Ideal gas]
160 mm of Hg
168 mm of Hg
336 mm of Hg
350 mm of Hg
Correct Answer
Detailed Explanation
Using Raoult's law, calculate the partial pressures and sum them to find the total vapour pressure.
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