Liquid Solution PYQs - Last 5 Years

MHT CET / Chemistry / Physical Chemistry / 179 recent questions

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All Liquid Solution PYQs Last 10 Years Create chapter test

Practice 179 MHT CET 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 50 of 179 filtered questions.

1Liquid Solution

Which of the following solutions on complete dissociation exhibits maximum elevation in boiling point?

2Liquid Solution

What is the relation between the vapour pressure of solution, vapour pressure of solvent and its mole fraction in the solution?

3Liquid Solution

Calculate $\Delta \mathrm{T}_{\mathrm{f}}$ of aqueous 0.01 m formic acid if van't Hoff factor is 1.1
\(\left[\mathrm{K}_{\mathrm{f}}=1.86 \mathrm{~K} \mathrm{~Kg} \mathrm{~mol}^{-1}\right]\)

4Liquid Solution

Calculate the molar mass of solute when 4 g of it dissolved in $1 \mathrm{dm}^3$ solvent has osmotic pressure 2 atm at 300 K . [R $\left[=0.082 \mathrm{~dm}^3 \mathrm{~atm} \mathrm{~K} \mathrm{~mol}^{-1}\right]$

5Liquid Solution

Calculate the molar mass of nonvolatile solute when 1.5 g of it is dissolved in 90 g solvent decreases its freezing point by 0.25 K.
\(\left[\mathrm{K}_{\mathrm{f}}=1.2 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right]\)

6Liquid Solution

Which from the following statements is correct for aqueous solution of $6 \mathrm{~g} \mathrm{~L}^{-1}$ urea and $17 \cdot 12 \mathrm{~g} \mathrm{~L}^{-1}$ of sucrose?
[Molar mass of urea $=60 \mathrm{~g} \mathrm{~mol}^{-1}$
Molar mass of s...

7Liquid Solution

A solution of non volatile solute has boiling point elevation 1.75 K .
Calculate molality of solution $\left[\mathrm{K}_{\mathrm{b}}=3.5 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right]$

8Liquid Solution

Which of the following equation correctly represents molar mass of a solute by knowing boiling point elevation?

9Liquid Solution

What mass of solute (molar mass $58 \mathrm{~g} \mathrm{~mol}^{-1}$) is to be dissolved in $2.5 \mathrm{~dm}^3 \mathrm{~H}_2 \mathrm{O}$ to generate osmotic pressure of 0.245 atm at 300 K ?
$$\left(\mathrm{R}=0.0821 \mathrm{~dm}^3 \text { a...

10Liquid Solution

The molal elevation boiling point constant for water is $0.513^{\circ} \mathrm{C} \mathrm{Kg} \mathrm{mol}^{-1}$.
Calculate boiling point of solution if 0.1 mole of sugar is dissolved in 200 g water?

11Liquid Solution

A solution of non volatile solute is obtained by dissolving 2 g in 50 g benzene. Calculate the vapour pressure of solution if vapour pressure of pure benzene is 640 mmHg at $25^{\circ} \mathrm{C}$.
[mol. mass of benzene $=78 \mathrm{~g} \ma...

12Liquid Solution

Identify an example of solution that consists of solid as solute and liquid as solvent.

13Liquid Solution

Calculate the molality of solution of non volatile solute having depression in freezing point 0.93 K and cryoscopic constant of solvent $1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$.

14Liquid Solution

Identify false statement form following.

15Liquid Solution

Calculate the molar mass of non volatile solute when 5 g of it is dissolved in 50 g solvent, boils at $119.6^{\circ} \mathrm{C}$.
$\left[\mathrm{K}_{\mathrm{b}}=3.2 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right.$, boiling point of pure ...

16Liquid Solution

Calculate van't Hoff factor of 0.2 m aquesous solution of an electrolyte if it freezes at $-$0.7 K $\left[\mathrm{K}_{\mathrm{f}}=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right]$

17Liquid Solution

Calculate van't Hoff factor of 0.15 M solution of electrolyte if it freezes at $-$0.5 K.
\(\left[\mathrm{K}_{\mathrm{f}}=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right]\)

18Liquid Solution

Calculate the relative lowering of vapour pressure of solution containing 46 g of non volatile solute in 162 g of water at $20^{\circ} \mathrm{C}$.
[Molar mass of nonvolatile solute $=46 \mathrm{~g} \mathrm{~mol}^{-1}$]

19Liquid Solution

Identify the correct statement from following properties.

20Liquid Solution

Calculate the molality of solution if its depression in freezing point is 0.18 K . $\left[\mathrm{K}_{\mathrm{f}}=1.6 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right]$

21Liquid Solution

Calculate the relative lowering of vapour pressure if vapour pressure of pure solvent and vapour pressure of solution at $25^{\circ} \mathrm{C}$ are 32 and 30 mm Hg respectively.

22Liquid Solution

What type of solution is the iodine in air?

23Liquid Solution

A solution of nonvolatile solute is obtained by dissolving 0.8 g in $0.3 \mathrm{dm}^3$ water has osmotic pressure 0.2 atm at 300 K . Calculate the molar mass of solute.
$$\left[\mathrm{R}=0.082 \mathrm{~atm} \mathrm{dm}^3 \mathrm{~K}^{-1} ...

24Liquid Solution

What is the expected value of $\Delta T_f$ for $1.25 \mathrm{~m} \mathrm{CaCl}_2$ solution if 1.25 m sucrose solution has $\Delta \mathrm{T}_{\mathrm{f}}$ value x K ?

25Liquid Solution

Calculate Henry's law constant if solubility of gas in water at $25^{\circ} \mathrm{C}$ is $5.14 \times 10^{-4} \mathrm{~mol} \mathrm{dm}^{-3}$ and partial pressure of the gas is 0.75 bar above solution.

26Liquid Solution

Calculate molar mass of a solute at 300 K if 400 mg of it is dissolved in 300 mL of water exerts osmotic pressure of 0.2 atm .
\(\left(\mathrm{R}=0.0821 \mathrm{~L} \mathrm{~atm} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)\)

27Liquid Solution

Carbonated water is an example of a solution of

28Liquid Solution

What is the vapour pressure of a solution containing 0.1 mol of non volatile solute dissolved in 16.2 g water? $\left(\mathrm{P}_1^0=24 \mathrm{mmHg}\right.$, molar mass of water $18 \mathrm{~g} \mathrm{~mol}^{-1}$ )

29Liquid Solution

Vapour pressure of a pure solvent is 550 mm of Hg . By addition of a non volatile solute it decreases to 510 mm of Hg . Calculate the mole fraction of solute in solution.

30Liquid Solution

Calculate van't Hoff factor (i) of 0.2 m aqueous solution of an electrolyte if it freezes at $-0.660 \mathrm{~K} .\left(\mathrm{K}_{\mathrm{f}}=1.84 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)$

31Liquid Solution

Identify the false statement among the following.

32Liquid Solution

In a solution, mole fraction of solute is 0.2 , when lowering in vapour pressure is 10 mm Hg . To get lowering of vapour pressure of 20 mm Hg , mole fraction of solute in solution is

33Liquid Solution

The solution containing $18 \mathrm{~g} \mathrm{dm}^{-3}$ glucose (molar mass 180) in water and another containing $6 \mathrm{~g} \mathrm{dm}^{-3}$ of solute A in water boils at same temperature. What is molar mass of A ?

34Liquid Solution

If $P_1$ partial pressure of a gas and $x_1$ is its mole fraction in a mixture, then correct relation between $P_1$ and $x_1$ is

35Liquid Solution

Which of the following solutions will not show flow of solvent in either direction when separated by semipermeable membrane?

36Liquid Solution

0.1 molal aqueous solution of glucose boils at $100.16^{\circ} \mathrm{C}$. What is boiling point of 0.5 molal aqueous solution of glucose?

37Liquid Solution

0.2 molal aqueous solution of KCl freezes at $-0.680^{\circ} \mathrm{C}$. Calculate van't Hoff factor for this solution. $\left(\mathrm{K}_{\mathrm{f}}=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)$

38Liquid Solution

Calculate molar mass of nonvolatile solute if a solution containing 0.35 g solute in 100 g water has boiling point elevation 0.01 K $\left[\mathrm{K}_{\mathrm{b}}=0.50 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right.$ ]

39Liquid Solution

Which from following ionic solids exhibits decrease in its solubility in water with increase of temperature?

40Liquid Solution

Calculate the solubility of a gas having partial pressure 0.15 bar at $25^{\circ} \mathrm{C}$.
$\left[\mathrm{K}_{\mathrm{H}}=0.16 \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{bar}^{-1}\right]$

41Liquid Solution

A solution of nonvolatile solute is obtained by dissolving \(3.5 \mathrm{~g}\) in \(100 \mathrm{~g}\) solvent has boiling point elevation \(0.35 \mathrm{~K}\). Calculate the molar mass of solute.
(Molal elevation constant $$=2.5 \mathrm{~K}...

42Liquid Solution

\(0.2 ~\mathrm{M}\) aqueous solution of glucose has osmotic pressure 4.9 atm at \(300 \mathrm{~K}\). What is the concentration of glucose if it has osmotic pressure \(1.5 \mathrm{~atm}\) at same temperature?

43Liquid Solution

Which among the following gases exhibits very low solubility in water at room temperature?

44Liquid Solution

A solution of nonvolatile solute is obtained by dissolving \(1 \mathrm{~g}\) in \(100 \mathrm{~g}\) solvent, decreases its freezing point by \(0.3 \mathrm{~K}\). Calculate cryoscopic constant of solvent if molar mass of solute is $$60 \math...

45Liquid Solution

Which from the following compound solutions in water of equal concentration has electrical conductivity nearly same as distilled water?

46Liquid Solution

A solution of \(8 \mathrm{~g}\) of certain organic compound in \(2 ~\mathrm{dm}^3\) water develops osmotic pressure \(0.6 \mathrm{~atm}\) at \(300 \mathrm{~K}\). Calculate the molar mass of compound. [R = 0.082 atm dm\(^3\) K\(^{-1}\) mol$$...

47Liquid Solution

Which among the following is NOT colligative property?

48Liquid Solution

Calculate the depression in freezing point of solution when \(4 \mathrm{~g}\) nonvolatile solute of molar mass \(126 \mathrm{~g} \mathrm{~mol}^{-1}\) dissolved in \(80 \mathrm{~mL}\) water [Cryoscopic constant of water $$=1.86 \mathrm{~K} \...

49Liquid Solution

Calculate the relative lowering of vapour pressure if the vapour pressure of benzene and vapour pressure of solution of non-volatile solute in benzene are \(640 \mathrm{~mmHg}\) and \(590 \mathrm{~mmHg}\) respectively at same temperature.

50Liquid Solution

What type of following solutions is the gasoline?