The vapour pressures of benzene

CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · AP

Problem

The vapour pressures of benzene, toluene and a xylene are 75 Torr, 22 Torr and 10 Torr at

20^{\circ}\text{C}

. Which of the following is not a possible value of the vapour pressure of an equimolar binary/ ternary solution of these at

20^{\circ}\text{C}

? Take all solutions as ideal in nature. (A)

48\frac{1}{2}

(B) 16 (C)

35\frac{2}{3}

(D)

53\frac{1}{2}