Question

The vapour pressure of benzene and toluene are $42mm$ and $36mm$ respectively. A solution contains benzene and toluene in the molar ratio of $1:2$ . The mole fraction of benzene in vapour phase is:-

• A. $\frac{12}{19}$
• B. $\frac{7}{19}$
• C. $\frac{11}{18}$
• D. $\frac{3}{4}$

Answer 1

Answer: (B)

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