Prof. Anil Thomas and Prof. Santosh Yadav Solutions for Chapter: Solutions and Colligative Properties, Exercise 4: Evaluation Test

If $10 \mathrm{g}$ of a solute was dissolved in $250 \mathrm{mL}$ of water and osmotic pressure of the solution was found to be $600 \mathrm{mm} \mathrm{Hg}$ at $300 \mathrm{K}$, then molecular weight of the solute is ___ $\mathrm{g} {\mathrm{mol}}^{-1}$.

If density of a solvent is greater than ${\text{1 kg dm}}^{\text{-3}}$, then the molarity $\left(\mathrm{M}\right)$ and molality $\left(\mathrm{m}\right)$ are related as_____.

The vapour pressure will be the lowest for_____.

At a certain hill-station, pure water boils at $99.{725}^{0 }\mathrm{C}$. If the ${\text{K}}_{\text{b}}$ for water is ${\text{0.513ºC K kg mol}}^{\text{-1}}$, the boiling point of the $0.69 \mathrm{m}$ solution of urea will be_____.

A solution containing $500 \mathrm{g}$ of a protein per litre is isotonic with a solution containing $3.42 \mathrm{g}$ of sucrose per litre. The molar mass of protein in $\mathrm{g} {\mathrm{mol}}^{-1}$ is

The osmotic pressure of a solution at $276 \mathrm{K}$ is $2.5 \mathrm{atm}$. Its osmotic pressure at $546 \mathrm{K}$, under similar conditions will be_____.

Identify the compound amongst the following, of which $0.05 \mathrm{m}$ aqueous solution has the highest boiling point.

For sodium chloride dissolved in water, the Van't Hoff's factor $\left(\mathrm{i}\right)$ accounts for the extent of the solute.