Match List - I with List - II
List-I (Example): A. Humidity B. Alloys C. Amalgams D. Smoke
List-II (Type of Solution): I. Solid in solid II. Liquid in gas III. Solid in gas IV. Liquid in solid
Choose the correct answer from the options given below :
Solutions
Every question from past board papers on Solutions, newest paper first. Open any question for its full worked answer.
NEET UG 2025 question paper (official, booklet 45)
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Which of the following aqueous solution will exhibit highest boiling point?
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5 moles of liquid X and 10 moles of liquid Y make a solution having a vapour pressure of 70 torr. The vapour pressures of pure X and Y are 63 torr and 78 torr respectively. Which of the following is true regarding the described solution?
NEET UG 2024 question paper (official, booklet S6)
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The plot of osmotic pressure (\(\Pi\)) vs concentration (mol \(L^{-1}\)) for a solution gives a straight line with slope 25.73 L bar \(mol^{-1}\). The temperature at which the osmotic pressure measurement is done is:
(Use R = 0.083 L bar \(mol^{-1}\) \(K^{-1}\))
NEET UG 2022 question paper (official, booklet R6)
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In one molal solution that contains 0.5 mole of a solute, there is
NEET UG 2021 question paper (official, booklet M4)
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The right option for the statement "Tyndall effect is exhibited by", is :
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The following solutions were prepared by dissolving 10 g of glucose (\(C_6H_{12}O_6\)) in 250 ml of water (\(P_1\)), 10 g of urea (\(CH_4N_2O\)) in 250 ml of water (\(P_2\)) and 10 g of sucrose (\(C_{12}H_{22}O_{11}\)) in 250 ml of water (\(P_3\)). The right option for the decreasing order of osmotic pressure of these solutions is :
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The correct option for the value of vapour pressure of a solution at \(45^\circ C\) with benzene to octane in molar ratio 3 : 2 is :
[At \(45^\circ C\) vapour pressure of benzene is 280 mm Hg and that of octane is 420 mm Hg. Assume Ideal gas]
NEET UG 2020 question paper (official, booklet E1)
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The freezing point depression constant (K\(_f\)) of benzene is 5.12 K kg mol\(^{-1}\). The freezing point depression for the solution of molality 0.078 m containing a non-electrolyte solute in benzene is (rounded off upto two decimal places) :
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A mixture of N\(_2\) and Ar gases in a cylinder contains 7 g of N\(_2\) and 8 g of Ar. If the total pressure of the mixture of the gases in the cylinder is 27 bar, the partial pressure of N\(_2\) is :
[Use atomic masses (in g mol\(^{-1}\)) : N = 14, Ar = 40]
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The mixture which shows positive deviation from Raoult's law is :
NEET UG 2019 question paper (official, booklet P1)
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The mixture that forms maximum boiling azeotrope is :
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For an ideal solution, the correct option is :
NEET UG 2017 question paper (official, booklet B)
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Which of the following is dependent on temperature ?
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If molality of the dilute solution is doubled, the value of molal depression constant (\(K_f\)) will be :
NEET UG 2016 Phase 1 question paper (official, booklet A)
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Which of the following statements about the composition of the vapour over an ideal 1 : 1 molar mixture of benzene and toluene is correct ? Assume that the temperature is constant at 25°C. (Given, Vapour Pressure Data at 25°C, benzene = 12.8 kPa, toluene = 3.85 kPa)
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At \(100°C\) the vapour pressure of a solution of 6.5 g of a solute in 100 g water is 732 mm. If \(K_b = 0.52\), the boiling point of this solution will be :
NEET UG 2016 Phase 2 question paper (official, booklet ZZ)
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Which one of the following is incorrect for ideal solution?
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The van't Hoff factor (\(i\)) for a dilute aqueous solution of the strong electrolyte barium hydroxide is