Question

The correct option for the value of vapour pressure of a solution at 45°C with benzene to octane in a molar ratio of 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]

Options

• 350 mm of Hg

• 160 mm of Hg

• 168 mm of Hg

• 336 mm of Hg

Answer 1

The correct option for the value of vapour pressure of a solution at 45°C with benzene to octane in a molar ratio of 3 : 2 is 336 mm of Hg.