47. Which of the following statement about the composition of the vapour of over an ideal 1:1 molar mixture of benzene and toluene is correct? Assume that the temperature is constant at

25 ^° C .(Given : Vapour pressure Date at 25 ^° C   benzene = 12.8 κPa, Toluene = 3.85 κPa )

a. The vapour will contain a higher percentage of benzene

b. The vapour will contain a higher percentage of toluene

c. The vapour will contain equal amounts of benzene and toluene

d. Not enough information is given to make a predication

Ans. a

(17)