Liquid Solution PYQs - Last 5 Years

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Practice 31 TS EAMCET Chemistry questions from Liquid Solution. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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Last 5 Years Liquid Solution Questions

Showing 31 of 31 filtered questions.

1Liquid Solution

In a mixture of liquids $A$ and $B$, if the mole fractions of component $A$ in vapour phase and liquid mixture are $x_1$ and $x_2$ respectively, then the total vapour pressure of liquid mixture is
(Where $p_{\mathrm{A}}^0$ and $p_{\mathrm{B...

2Liquid Solution

1 mL of " $x$ volume" $\mathrm{H}_2 \mathrm{O}_2$ solution on heating gives 20 mL of oxygen gas at STP. The $(w / v) \%$ corresponding to " $x$ volume" of $\mathrm{H}_2 \mathrm{O}_2$ is

3Liquid Solution

Observe the following data given in the table ( $K_H=$ Henry's law constant)$$ \begin{aligned} &\begin{array}{ccccc} \hline \text { Gas } & \mathrm{CO}_2 & \mathrm{Ar} & \mathrm{HCHO} & \mathrm{CH}_4 \\ \hline\left(\boldsymbol{K}_{\mathrm{H...

4Liquid Solution

Which one of the following mixtures can be separated by steam distillation technique?

5Liquid Solution

Two liquids ' $A$ ' and ' $B$ ' form an ideal solution. At 300 K , the vapour pressure of a solution containing 1 mole of ' $A$ ' and 3 moles of ' $B$ ' is 550 mm Hg . At the same temperature, if one more mole of ' $B$ ' is added to the sol...

6Liquid Solution

Observe the following statements
Statement I : The boiling point of 0.1 M urea solution is less than that of 0.1 M KCl solution.
Statement II : Elevation of boiling point is inversely proportional to molar mass of solute.
The correct answer...

7Liquid Solution

Which of the following solution has highest amount of solute?

8Liquid Solution

The osmotic pressure (in atm) of an aqueous solution containing 0.01 mol of NaCl (degree of dissociation 0.94 ) and 0.03 mol of glucose in 500 mL at $27^{\circ} \mathrm{C}$ is $\left(R=0.082 \mathrm{~L} \mathrm{~atm} \mathrm{~K}^{-1} \mathr...

9Liquid Solution

Distilled water boils at 373.15 K and freezes at 273.15 K . A solution of glucose in distilled water boils at 373.202 K . What is the freezing point (in K ) of the same solution? (For water, $K_b=0.52 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^...

10Liquid Solution

Dry air contains $79 \% \mathrm{~N}_2$ and $21 \% \mathrm{O}_2$. At $T(\mathrm{~K})$, if Henry's law constants for $\mathrm{N}_2$ and $\mathrm{O}_2$ in water are $857 \times 10^4 \mathrm{~atm}$ and $4.56 \times 10^4 \mathrm{~atm}$, the rati...

11Liquid Solution

At 300 K , the vapour pressure of toluene and benzene are 3.63 kPa and 9.7 kPa respectively. What is the composition of vapour in equilibrium with the solution containing 0.4 mole fraction of toluene?(Assume the solution is ideal)

12Liquid Solution

At $300 \mathrm{~K}, 0.06 \mathrm{~kg}$ of an organic solute is dissolved in 1 kg water. The vapour pressure of solution at 300 K is 3.768 kPa . If vapour pressure of water at that temperature is 3.78 kPa , what is the molar mass of the org...

13Liquid Solution

At $T(\mathrm{~K}), 0.1$ mole of a non-volatile solute was dissolved in 0.9 mole of a volatile solvent. The vapour pressure of pure solvent is 0.9 bar. What is the vapour pressure (in bar ) of solution ?

14Liquid Solution

At $50^{\circ} \mathrm{C}$, the vapour pressure of pure benzene is 268 torr. The number of moles of non-volatile solute per mole of benzene required to prepare a solution having a vapour pressure of 167 torr at the same temperature is (mola...

15Liquid Solution

An aqueous solution of a non-volatile solute boils at $100.17^{\circ} \mathrm{C}$. The temperature at which this solution will freeze (in ${ }^{\circ} \mathrm{C}$ ) is
$$ \begin{aligned} & \left(K_b\left(\mathrm{H}_2 \mathrm{O}\right)=0.512...

16Liquid Solution

' $x^{\prime} \mathrm{g}$ of urea (molar mass $60 \mathrm{gmol}^{-1}$ ) is completely dissolved in ' $y^{\prime} \mathrm{g}$ of pure water and the solution boiled at 373.202 K . If the boiling point of pure water at $1.01^3$ bar is 373.15 K...

17Liquid Solution

Liquids $A$ and $B$ form an ideal solution. The vapour pressures of $A$ and $B$ are 50 and 32 mm Hg respectively at 300 K . One mole of liquid $A$ is mixed with 1 mole of liquid $B$. What is the approximate mole fraction of $A$ in vapour ph...

18Liquid Solution

The vapour pressure of a pure liquid $A$ is 70 torr at 300 K . It forms an ideal solution with another liquid $B$. The mole fraction of $B$ is 0.2 and total vapour pressure of the solution is 84 torr at the same temperature. The vapour pres...

19Liquid Solution

At 300 K , the osmotic pressure of a decinormal solution of sodium chloride is 4.82 atm . The degree of dissociation of sodium chloride is $x \times 10^{-2}$. The value of $x$ is $\left(R=0.082 \mathrm{~L} \mathrm{~atm} \mathrm{~K}^{-1} \ma...

20Liquid Solution

The freezing point of equimolal aqueous solution will be highest for

21Liquid Solution

A liquid mixture is an ideal solution, if
(A) it obeys ideal gas equation
(B) it obeys Raoult's law at all concentrations
(C) solute - solute, solute - solvent and solvent solvent interactions are similar

22Liquid Solution

A solvent freezes at $17^{\circ} \mathrm{C}$ and its latent heat of fusion is $180 \mathrm{Jg}^{-1}$. The molal depression constant of the solvent is [units of $K_f=\mathrm{K} \mathrm{kg} \mathrm{mol}^{-1}$ ]

23Liquid Solution

If 2 g of NaOH is dissolved to make 200 mL solution at $25^{\circ} \mathrm{C}$, the molarity ( $M$ ) at $90^{\circ} \mathrm{C}$ is

24Liquid Solution

What is the effect of external pressure on the osmotic pressure (OP) of a solution?

25Liquid Solution

The Henry's law constant for the solubility of $\mathrm{N}_2$ gas in Water at 298 K is $1 \times 10^5 \mathrm{~atm}$. The mole fraction of air is 0.8 . The number of moles of $\mathrm{N}_2$ from air dissolved in 10 moles of water at 298 K a...

26Liquid Solution

Which of the following substances show the highest colligative properties?

27Liquid Solution

Calculate the quantity of $\mathrm{CO}_2$ required to prepare 1 L of soda water when the soda water was packed under 2 atm of $\mathrm{CO}_2$.
[Henry's law constant for $\mathrm{CO}_2$ is $1.67 \times 10^8 \mathrm{~Pa}$ ]

28Liquid Solution

At $0^{\circ} \mathrm{C}$ urea solution has an osmotic pressure of 400 mm . On dilution by $x$ times, its osmotic pressure decreased to 100 mm at $20^{\circ} \mathrm{C}$. The dilution factor $x$ is approximately

29Liquid Solution

Which of the following are correct for an ideal solution?
(A) $\Delta V_{\text {mix }}=0$
(B) $V_{\text {solvent }}+V_{\text {solute }}=V_{\text {solution }}$
(C) $\Delta H_{\text {mix }}=0$
(D) $\mathrm{H}_2 \mathrm{O}+\mathrm{CO}_2 \longr...

30Liquid Solution

Henry's law is valid for
(A) ammonia gas dissolution in water
(B) $\mathrm{O}_2$ gas dissolution in unsaturated blood
(C) $\mathrm{O}_2$ dissolution in water
(D) $\mathrm{CO}_2$ dissolution in water

31Liquid Solution

Which of the following is/are "not correct" for $\mathrm{CH}_3 \mathrm{OH}+\mathrm{CH}_3 \mathrm{COOH}$ mixture solution?

1. $\Delta H_{\text {mix }}<0$
2. Does not obey Raoult's law.
3. $\Delta H_{\text {mix }}>0$
4. An example of ideal s...