1.

Which of the following statements about the composition of the vapour over an ideal 1 : 1 molar mixture of benzene and toluene is correct ? Assume that the temperatureis constant at 25^(@)C. (Given, Vapour' Pressure Data at 25^(@)C, benzene = 12.8 kPa toluene = 3.85 kPa)

Answer»

The vapour will CONTAIN a higher percentage of TOLUENE.
The vapour will contain EQUAL amounts of benzene and toluene.
Not enough information is given to make a prediction.
The vapour will contain a higher percentage of benzene.

SOLUTION :In composition of Benzene of vapour pressure is more hence its PROPORTION of percerntage is more in mixture.


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