Mole fraction of toluene in the vapour which is in equilibrium with a solution containing benzene and toluene having 2 moles each isGiven: Saturation vapour pressure of benzene = 120 torr, Saturation vapour pressure of toluene = 80 torr

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

0.5

0.25

0.6

0.4

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Total vapour pressure =12×120+12×80=100 torryA×100=xApAo as per Raoult's law or yA=12×80100=0.4yA = mole fraction of Toluene in vapour phase.

Watch 3-min video & get full concept clarity