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Previous year question hub

Liquid Solution - Physical Chemistry - Chemistry Previous Year Questions

Practice Liquid Solution - Physical Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

10Papers
9Years
14Questions
1Topics

Liquid Solution question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Liquid Solution. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 14 100%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 14 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
14 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
14 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Liquid Solution
14 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

VITEEE 2025
3 Qs
WB JEE 2025
1 Qs
WB JEE 2024
2 Qs
WB JEE 2023
1 Qs
WB JEE 2022
1 Qs
WB JEE 2021
1 Qs
WB JEE 2020
2 Qs
WB JEE 2018
1 Qs
WB JEE 2017
1 Qs
WB JEE 2016
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
VITEEE 202520253View paper
WB JEE 202520251View paper
WB JEE 202420242View paper
WB JEE 202320231View paper
WB JEE 202220221View paper
WB JEE 202120211View paper
WB JEE 202020202View paper
WB JEE 201820181View paper
WB JEE 201720171View paper
WB JEE 201620161View paper

All Liquid Solution previous year questions

Practice every matching question in batches of 20, with every available option.

1
2016 · Chemistry · Physical Chemistry · Liquid Solution
WB JEE 2016
If p\(^\circ\) and p are the vapour pressure of the pure solvent and solution and n1 and n2 are the moles of solute and solvent respectively in the solution then the correct relation between p and p\(^\circ\) is
A
\(p^\circ = p\left[ {{{{n_1}} \over {{n_1} + {n_2}}}} \right]\)
B
\(p^\circ = p\left[ {{{{n_2}} \over {{n_1} + {n_2}}}} \right]\)
C
\(p = p^\circ \left[ {{{{n_2}} \over {{n_1} + {n_2}}}} \right]\)
D
\(p = p^\circ \left[ {{{{n_1}} \over {{n_1} + {n_2}}}} \right]\)
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2
2017 · Chemistry · Physical Chemistry · Liquid Solution
WB JEE 2017
Assuming the compounds to be completely dissociated in aqueous solution, identify the pair of the solutions that can be expected to be isotonic at the same temperature.
A
0.01 M urea and 0.01 M NaCl
B
0.02 M NaCl and 0.01 M Na2SO4
C
0.03 M NaCl and 0.02 M MgCl2
D
0.01 M sucrose and 0.02 M glucose
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3
2018 · Chemistry · Physical Chemistry · Liquid Solution
WB JEE 2018
Equal weights of ethane and hydrogen are mixed in an empty container at 25\(^\circ\)C. The fraction of total pressure exerted by hydrogen is
A
1 : 2
B
1 : 1
C
1 : 16
D
15 : 16
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4
2020 · Chemistry · Physical Chemistry · Liquid Solution
WB JEE 2020
Equal masses of ethane and hydrogen are mixed in an empty container at 298 K. The fraction of total pressure exerted by hydrogen is
A
15:16
B
1:1
C
1:4
D
1:6
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5
2020 · Chemistry · Physical Chemistry · Liquid Solution
WB JEE 2020
Kf (water) = 1.86 K kg mol-1. The temperature at which ice begins to separate from a mixture of 10 mass % ethylene glycol is
A
\(-\)1.86 \(^\circ\)C
B
\(-\)3.72 \(^\circ\)C
C
\(-\)3.3 \(^\circ\)C
D
\(-\)3 \(^\circ\)C
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6
2021 · Chemistry · Physical Chemistry · Liquid Solution
WB JEE 2021
When 20 g of naphthoic acid (C11H8O2) is dissolved in 50 g of benzene, a freezing point depression of 2K is observed. The van't Hoff factor (i) is [Kf = 1.72 K kg mol\(-\)1]
A
0.5
B
1.0
C
2.0
D
3.0
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7
2022 · Chemistry · Physical Chemistry · Liquid Solution
WB JEE 2022

Pick the correct statement.

A
Relative lowering of vapour pressure is independent of T.
B
Osmotic pressure always depends on the nature of solute.
C
Elevation of boiling point is independent of nature of the solvent.
D
Lowering of freezing point is proportional to the molar concentration of solute.
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8
2023 · Chemistry · Physical Chemistry · Liquid Solution
WB JEE 2023

A solution containing 4g of polymer in 4.0 litre solution at 27\(^\circ\)C shows an osmotic pressure of 3.0 \(\times\) 10\(^{-4}\) atm. The molar mass of the polymer in g/mol is

A
820000
B
82000
C
8200
D
820
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9
2024 · Chemistry · Physical Chemistry · Liquid Solution
WB JEE 2024

Which of the following statement/statements is/are correct ?

A
Solid \(\mathrm{I}_2\) is freely soluble in water
B
Solid \(\mathrm{I}_2\) is freely soluble in water but only in presence of excess \(\mathrm{KI}\)
C
Solid \(\mathrm{I}_2\) is freely soluble in \(\mathrm{CCl}_4\)
D
Solid \(\mathrm{I}_2\) is freely soluble in hot water
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10
2024 · Chemistry · Physical Chemistry · Liquid Solution
WB JEE 2024

The correct order of boiling point of the given aqueous solutions is

A
\(1 \mathrm{~N} \mathrm{KNO}_3>1 \mathrm{~N} \mathrm{NaCl} >1 \mathrm{~N} \mathrm{CH}_3 \mathrm{COOH} \\ >1 \mathrm{~N} \text { sucrose }\)
B
\(1 \mathrm{~N} \mathrm{KNO}_3=1 \mathrm{~N} \mathrm{NaCl} >1 \mathrm{~N} \mathrm{CH}_3 \mathrm{COOH} \\ >1 \mathrm{~N} \text { sucrose }\)
C
Same for all
D
\(1 \mathrm{~N} \mathrm{KNO}_3=1 \mathrm{~N} \mathrm{NaCl} =1 \mathrm{~N} \mathrm{CH}_3 \mathrm{COOH} \\ >1 \mathrm{~N} \text { sucrose }\)
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11
2025 · Chemistry · Physical Chemistry · Liquid Solution
WB JEE 2025

$P$ and $Q$ combines to form two compounds $\mathrm{PQ}_2$ and $\mathrm{PQ}_3$. If $1 \mathrm{~g} ~\mathrm{PQ}{ }_2$ is dissolved in 51 g benzene the depression of freezing point becomes $0 \cdot 8^{\circ} \mathrm{C}$. On the other hand if $1 \mathrm{~g} ~\mathrm{PQ}_3$ is dissolved in 51 g of benzene, the depression of freezing point becomes $0.625^{\circ} \mathrm{C}$. The atomic mass of P and Q are $\left(\mathrm{K}_{\mathrm{f}}\right.$ of benzene $=5 \cdot 1 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1})$

A
35, 55
B
45, 45
C
55, 45
D
55, 35
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12
2025 · Chemistry · Physical Chemistry · Liquid Solution
VITEEE 2025

A 2 M aqueous solution of HCl has density $1.08 \mathrm{~g} / \mathrm{mL}$. What is the molality of the solution?

A

1.98 m

B

2.08 m

C

2.22 m

D

2.38 m

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13
2025 · Chemistry · Physical Chemistry · Liquid Solution
VITEEE 2025

The freezing points of 0.01 M solutions of glucose, $\mathrm{NaNO}_3$, and $\mathrm{AlCl}_3$ would be

A

highest for glucose

B

same for all

C

lowest for $\mathrm{AlCl}_3$

D

highest for $\mathrm{NaNO}_3$

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14
2025 · Chemistry · Physical Chemistry · Liquid Solution
VITEEE 2025

The osmotic pressure of a solution prepared by dissolving 48 mg of $\mathrm{MgCl}_2$ in 500 mL water at $25^{\circ} \mathrm{C}$ is (Assuming complete dissociation).

(Molar mass of $\mathrm{MgCl}_2=95 \mathrm{~g} / \mathrm{mol}, R=0.0821 \mathrm{L} \cdot \mathrm{atm} / \mathrm{mol} \cdot \mathrm{K}$ )

A

$2.49 \times 10^{-2} \mathrm{~atm}$

B

$4.98 \times 10^{-2} \mathrm{~atm}$

C

$2.49 \times 10^{-3} \mathrm{~atm}$

D

$4.98 \times 10^{-3} \mathrm{~atm}$

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