1.

An ideal solution was obtained by mixing methanol and ethanol. If the partial vapour pressure of methanol and ethanol are \[2.619\,kPa\] and \[4.556\,kPa\] respectively, the composition of the vapour (in terms of mole fraction) will be     [Pb. PMT 1998]

A.                 0.635 methanol, 0.365 ethanol
B.                 0.365 methanol, 0.635 ethanol
C.                 0.574 methanol, 0.326 ethanol
D.                 0.173 methanol, 0.827 ethanol
Answer» C.                 0.574 methanol, 0.326 ethanol


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