NEET2021Chemistry-Solutions
NEET 2021 Chemistry Vapour Pressure MCQ Question
Type: MCQ-numerical-Medium-Class 12
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]
A
160 mm of Hg
B
168 mm of Hg
C
336 mm of Hg
D
350 mm of Hg
Correct Answer
Option C
Detailed Explanation
Using Raoult's law, calculate the partial pressures and sum them to find the total vapour pressure.
Found an issue with this question?