Liquid Solution

Which from following solutions in water on complete dissociation exhibits minimum freezing point depression?

Calculate the mass of nonvolatile solute dissolved in $0.3$ dm$^3$ water having osmotic pressure $0.1$ atm at $300$K.[Molar mass of solute = $328$ g mol$^{-1}$, R = $0.082$ dm$^3$atm K$^{-1}$mol$^{-1}$]

Calculate $\Delta T_b$ of a $0.45$ m solution of a nonvolatile solute in solvent if molal elevation constant of solvent is $3.0$ K kg mol$^{-1}$

Identify the colligative property from the followings?

Find the osmotic pressure of 0.01 M solution at 25 °C $(R = 0.0821\ \text{L atm mol}^{-1}\text{K}^{-1})$

When the bottle of soft drink is opened, what would take place from the following?(A) Solubility of dissolved gas decreases.(B) bottle released internal pressure.(C) effervences evolved from the bottle.(D) increase in external pressure.Iden...

van't Hoff factor for $\text{BaCl}_2$ is $2.47$, calculate the percentage dissociation of in its aqueous solution.

A solution of non volatile solute has boiling point elevation $0.70$ K if $K_b$ for the solvent is $2.44\ \text{K kg mol}^{-1}$. What is the molality of the solution?

Which among the following pairs of solutions is isotonic in nature?

Calculate the solubility of certain gas in solvent with pressure $3$ atm at $25^\circ\text{C}$ (Henry's law constant is $3.0 \times 10^{-2}\,\text{mol dm}^{-3}\,\text{atm}^{-1}$)

Calculate the molality of aqueous solution of electrolyte that freezes at $-0.93\,^\circ\text{C}$ if $K_f$ for water and van't Hoff factor respectively are $1.86\,\text{K kg mol}^{-1}$ and $1.25$. (Freezing point of water $= 0\,^\circ\text{...

Which from following gases is least soluble in water under same conditions of temperature and pressure ?

Identify correct statements from following regarding $0.2\ \text{M}$ urea and $0.2\ \text{M}$ sucrose solutions.

Calculate the molality of solution of nonvolatile solute if boiling point of solution, molal elevation constant for solvent are $319.8\ \text{K}$ and $2.5\ \text{K kg mol}^{-1}$ respectively [Boiling point of solvent = $319.5\ \text{K}$]

$40$ gram nonelectrolyte solute having molar mass $180\ \text{g mol}^{-1}$ dissolved in water has osmotic pressure $2\ \text{atm}$ at $300\ \text{K}$. Calculate the volume of solution. ($\text{R} = 0.0821\ \text{atm mol}^{-1}\text{K}^{-1}$)

Calculate the molar mass of nonelectrolyte solute when 6 gram of it is dissolved in 1 $\text{dm}^3$ water has osmotic pressure $2.4\ \text{atm}$ at 300 K $(R = 0.0821\ \text{atm dm}^3\ \text{K}^{-1}\ \text{mol}^{-1})$

Calculate the mole fraction of solute in solution if vapour pressure of a solution and pure solvent are 27 mm Hg and 30 mm Hg respectively at 298 K.

Which from following gases is least soluble in water at same temperature and pressure ?

Calculate the molar mass of nonvolatile solute when 4 g of it is dissolved in 100 g solvent that boils at 319.4 K [$K_b$ = 2.4 K kg $\text{mol}^{-1}$; B.P of pure solvent = 319 K]

Calculate van't Hoff factor for aqueous solution of 0.02 m formic acid if it freezes at -0.045 $^\circ\text{C}$.[ $K_f$ = 1.86 K kg $\text{mol}^{-1}$ and freezing point of water = $0\ ^\circ\text{C}$ ]

Which of the following concentrations of solutions of urea in water exhibits minimum freezing point depression?

Identify the correct statement from following.

Calculate the cryoscopic constant of a solvent if depression in freezing point of $0 \cdot 3$ m solution of nonelectrolyte is $0 \cdot 48$ K

Calculate the molar mass of a nonvolatile solute if 6.4 g of it dissolved in 100 g water produces a relative lowering in vapour pressure of $0 \cdot 016$ at 300 K.

Which of the following is the colligative property of a solution?

Calculate the boiling point of an aqueous solution containing 18 g glucose in 100 g water if the molal elevation constant of water is $0.5\ \text{K kg mol}^{-1}$.[Molar mass of glucose $= 180\ \text{g mol}^{-1}$ and boiling point of water $...

For a binary solution, when a nonvolatile nonelectrolyte solute is dissolved in solvent, the vapour pressure of solvent decreases by 20 % . what is mole fraction of solvent in solution ?

18 g of glucose (molar mass = 180 g/mol) is dissolved in water to prepare 500 ml solution at $15^\circ\text{C}$. Calculate the osmotic pressure of the solution. [$R = 0.0821\ \text{L atm K}^{-1}\ \text{mol}^{-1}$]

The normal boiling point of Ethyl acetate is $77^\circ\text{C}$. A solution of non-volatile non-electrolyte solute in ethyl acetate boils at $78^\circ\text{C}$. $K_b$ for ethyl acetate is $2.77\ ^\circ\text{C kg mol}^{-1}$. What is the mola...

Which of the following solutes has the ratio of theoretical molar mass to the experimentally observed molar mass is $3$?

$5$ g urea is dissolved in $100$ g water. Find the amount of glucose to be dissolved in $120$ g of water so that the boiling points of both solutions will be the same.[Molar mass of urea $= 60$ g $\text{mol}^{-1}$ & Molar mass of glucose $=...

Calculate the van't Hoff factor of a centimolar solution of potassium ferrocyanide if it is $60\%$ dissociated at $300$ K.

Which of the following colligative properties is useful to determine the molar masses of proteins, polymers or colloids, with the greatest precision?

If a 0.4 molal solution of a nonvolatile solute in organic solvent decreases its freezing point by 2.4 K., then the molal depression constant of solvent will be

Identify a pair of gases from following that does not obey Henry's law.

Which of the following aqueous solutions will show maximum vapour pressure at 300K?

2 g nonelectrolyte solute when dissolved in 50 g water increases its boiling point by 0.13 K.Calculate the molar mass of solute if molal elevation constant of water is 0.52 K kg mol$^{-1}$

Which of the following statements is NOT true about solubility?

A solution is prepared by dissolving $68$ g sucrose in $1$ kg water. Calculate the vapour pressure of solution at $298$ K. [vapour pressure of water at $298$ K = $18$ mm of Hg & mole fraction of solvent = $0.9964$]

An aqueous solution has an osmotic pressure of $4.92$ atm at $300$ K.Calculate the molarity of the solution.($R = 0.082$ L atm mol$^{-1}$ K$^{-1}$)

Identify from the following pair of solutions that exhibits the same osmotic pressure.[molar mass of urea $= 60$ g mol$^{-1}$ and molar mass of glucose $= 180$ g mol$^{-1}$]

The solubility of $\text{N}_2$ gas in water at $25^\circ$C and $1$ bar is $6.85 \times 10^{-4} \text{ mol L}^{-1}$. Calculate the solubility of $\text{N}_2$ gas in water at the same temperature when the partial pressure of $\text{N}_2$ is $...

Vapour pressure of $\text{CCl}_4$ at $25^\circ$C is $143$ mm Hg. If $0.5$ g of a non-volatile solute is dissolved in $100 \text{ cm}^3$ of $\text{CCl}_4$. Find the vapour pressure of the solution.(Density of $\text{CCl}_4 = 1.58 \text{ g}/\...

The partial pressure of a gas at $25^\circ$C is $0.18$ atm, calculate the concentration of the gas dissolved at the same temperature,If $K_H$ is $0.15\ \text{mol dm}^{-3}\ \text{atm}^{-1}$

A solution of $50$g of solute 'X' is dissolved in $150$ g of 'Y' solvent boils at $357.27$ K. What is the molar mass of solute?(Given $K_b$ and boiling point pure solvent is $2.77$ K kg/mol and $350.06$ K respectively.)

Identify a solution which contains solid as solute and liquid as solvent.

What type of solution is the $\mathrm{H}_2$ in palladium?

Calculate the solubility of gas in solvent at $25^{\circ} \mathrm{C}$ and 0.8 atm if Henry's law constant for solvent is $6.8 \times 10^{-4} \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{~atm}^{-1}$.

Calculate osmotic pressure of 0.1 M aqueous solution of an electrolyte at 300 K if van't Hoff factor is 1.125. $\left[\mathrm{R}=0.0821 \mathrm{~atm} \mathrm{dm}^3 \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right]$

What is the numerical value of osmotic pressure of 1 M urea solution if numerical value of osmotic pressure of 0.5 M urea solution is ' $x$ '?