Raoult's Law — Prelims Questions

At $25^{\circ}\text{C}$, the vapor pressure of pure benzene is $640\,\text{mmHg}$ and that of pure toluene is $240\,\text{mmHg}$. Assuming the solution is ideal, what is the total vapor pressure of a solution containing $0.5\,\text{mol}$ of benzene and $0.5\,\text{mol}$ of toluene?

The vapor pressure of pure water at $298\,\text{K}$ is $23.75\,\text{mmHg}$. If $100\,\text{g}$ of glucose ($C_6H_{12}O_6$, molar mass $180\,\text{g/mol}$) is dissolved in $900\,\text{g}$ of water, what is the vapor pressure of the solution?

Which of the following pairs of liquids is expected to form an ideal solution?

A solution of two volatile liquids A and B shows positive deviation from Raoult's Law. Which of the following statements is INCORRECT regarding this solution?

The vapor pressure of a dilute aqueous solution of glucose is $750\,\text{mmHg}$ at $373\,\text{K}$. Calculate the mole fraction of glucose in the solution. (Vapor pressure of pure water at $373\,\text{K}$ is $760\,\text{mmHg}$)

Which of the following statements is TRUE regarding a solution showing negative deviation from Raoult's Law?