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1. |
The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water X w in the vapour phase satisfies |
A. | 0 < X w < 0.5 |
B. | X w = 0.5 |
C. | 0.5 < X w < 1.0 |
D. | X w = 1.0 |
Answer» D. X w = 1.0 | |