At certain temperature, the solution of benzene in toulene exihibits the vapour pressure (in m bar) representes as P = 150x + 65, where 'x' is mole fraction of benzene, the vapour pressure of pure benzene is

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answer is 4.

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Detailed Solution

Given , Ptotal= 150X+65X=molefraction of BenzeneIf X=1 (i.e only pure Benzene is present)Then If X=0 (i.e only pure toulene is present)Then,

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