Solutions

An artificial cell is made by encapsulating \(0.2 \mathrm{M}\) glucose solution within a semipermeable membrane. The osmotic pressure developed when the artificial cell is placed within a \(0.05 \mathrm{M}\) solution of…

When $9.45g$ of $\mathrm{ClCH}_{2}\mathrm{COOH}$ is added to $500\mathrm{mL}$ of water, its freezing point drops by $0.5^{\circ}C.$The dissociation constant of $\mathrm{ClCH}_{2}\mathrm{COOH}$ is $x\times\,10^{-3}.$The…

When ' \(x\) ' \(\times 10^{-2} \mathrm{~mL}\) methanol (molar mass \(=32 \mathrm{~g}\); density \(=0.792 \mathrm{~g} / \mathrm{cm}^3\)) is added to \(100 \mathrm{~mL}\) water (density \(=1 \mathrm{~g} /…

Mass of Urea $\left(\mathrm{NH}_{2}\mathrm{CONH}_{2}\right)$ required to be dissolved in $1000g$of water in order to reduce the vapour pressure of water by $25%$ is $\mathrm{\_\_\_\_\_\_\_}g.$ (Nearest integer) Given :…

We have three aqueous solutions of $\mathrm{NaCl}$labelled as $'A','B'$ and $'C'$ with concentration $0.1M,0.01M$ and $0.001M,$ respectively. The value of van $t'$Haft factor $\left(i\right)$ for these solutions will be…

$C_{6}H_{6}$ freezes at $5.5^{\circ}C.$The temperature at which a solution of $10g$ of $C_{4}H_{10}$ in $200g$ of $C_{6}H_{6}$ freeze is _______$C\circ\,.$(nearest integer value), (The molal freezing point depression…

If \(A_2 B\) is \(30 \%\) ionised in an aqueous solution, then the value of van't Hoff factor (i) is ______ $\times 10^{-1} .$

The osmotic pressure of solutions of PVCin cyclohexanone at $300K$ are plotted on the graph. The molar mass of PVC is$g\mathrm{mol}^{-1}$ (Nearest integer) (Given : $R=0.083L\mathrm{atm}K^{-1}\mathrm{mol}^{-1}$)

A cylinder containing an ideal gas ($0.1mol$ of $1.0dm^{3}$) is in thermal equilibrium with a large volume of $0.5$ molal aqueous solution of ethylene glycol at its freezing point. If the stoppers $S_{1}$ and $S_{2}$…

$25\mathrm{mL}$ of an aqueous solution of $\mathrm{KCl}$ was found to require $20\mathrm{mL}$ of $1M\mathrm{AgNO}_{3}$ solution when titrated using $K_{2}\mathrm{CrO}_{4}$as an indicator. What is the depression in…

Q3238 (image question)

The vapour pressure vs. temperature curve for a solution solvent system is shown below. The boiling point of the solvent is $\_\_\_\_\_^{\circ}C.$