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JEE MAIN 2021
20-07-21 S1
Question
At $20^{\circ} \mathrm{C}$, the vapour pressure of benzene is 70 torr and that of methyl benzene is 20 torr. The mole fraction of benzene in the vapour phase at $20^{\circ} \mathrm{C}$ above an equimolar mixture of benzene and methyl benzene is $\_\_\_\_$ $\times 10^{-2}$. (Nearest integer)
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Showing 18 questions
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