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Previous year question hub

Solutions - Physical Chemistry - Chemistry Previous Year Questions

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

29Papers
24Years
50Questions
1Topics

Solutions question pattern

Every graph below is calculated only from this selection.

Questions by year

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

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 45 90%
Easy 4 8%
Medium 1 2%

Question type distribution

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

Multiple Choices 50 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
50 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
50 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Solutions
50 Qs

Paper coverage

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

NEET 2026
2 Qs
NEET 2025
3 Qs
NEET 2024
2 Qs
NEET 2024 RE EXAMINATION
1 Qs
NEET 2023 MANIPUR
1 Qs
NEET 2022 PHASE 2
1 Qs
NEET 2021
2 Qs
NEET 2020 PHASE 1
2 Qs
AIIMS 2019
2 Qs
NEET 2019
2 Qs
AIIMS 2018
1 Qs
NEET 2017
1 Qs
NEET 2016 PHASE 1
2 Qs
NEET 2016 PHASE 2
2 Qs
AIPMT 2015 Cancelled Paper
3 Qs
AIPMT 2014
1 Qs
NEET 2013 KARNATAKA
1 Qs
AIPMT 2012 MAINS
1 Qs
AIPMT 2012 PRELIMS
1 Qs
AIPMT 2011 MAINS
2 Qs
AIPMT 2011 PRELIMS
2 Qs
AIPMT 2010 PRELIMS
2 Qs
AIPMT 2009
1 Qs
AIPMT 2007
1 Qs
AIPMT 2006
4 Qs
AIPMT 2005
3 Qs
AIPMT 2002
2 Qs
AIPMT 2001
1 Qs
AIPMT 2000
1 Qs

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
NEET 202620262View paper
NEET 202520253View paper
NEET 202420242View paper
NEET 2024 RE EXAMINATION20241View paper
NEET 2023 MANIPUR20231View paper
NEET 2022 PHASE 220221View paper
NEET 202120212View paper
NEET 2020 PHASE 120202View paper
AIIMS 201920192View paper
NEET 201920192View paper
AIIMS 201820181View paper
NEET 201720171View paper
NEET 2016 PHASE 120162View paper
NEET 2016 PHASE 220162View paper
AIPMT 2015 Cancelled Paper20153View paper
AIPMT 201420141View paper
NEET 2013 KARNATAKA20131View paper
AIPMT 2012 MAINS20121View paper
AIPMT 2012 PRELIMS20121View paper
AIPMT 2011 MAINS20112View paper
AIPMT 2011 PRELIMS20112View paper
AIPMT 2010 PRELIMS20102View paper
AIPMT 200920091View paper
AIPMT 200720071View paper
AIPMT 200620064View paper
AIPMT 200520053View paper
AIPMT 200220022View paper
AIPMT 200120011View paper
AIPMT 200020001View paper

All Solutions previous year questions

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

1
2000 · Chemistry · Physical Chemistry · Solutions
AIPMT 2000
From the colligative properties of solution, which one is the best method for the determination of molecular weight of proteins and polymers?
A
Osmotic pressure
B
Lowering in vapour pressure
C
Lowering in freezing point
D
Elevation in boiling point
Open complete paper
2
2001 · Chemistry · Physical Chemistry · Solutions
AIPMT 2001
Pure water can be obtained from sea water by
A
centrifugation
B
plasmolysis
C
reverse osmosis
D
sedimentation
Open complete paper
3
2002 · Chemistry · Physical Chemistry · Solutions
AIPMT 2002
A solution containing components A and B folloes Raoult's law
A
A - B attraction force is greater than A - A and B - B
B
A - B attraction force is less than A - A and B - B
C
A - B attraction force remains same as A - A and B - B
D
volume of solution is different from sum of volume of solute and solvent.
Open complete paper
4
2002 · Chemistry · Physical Chemistry · Solutions
AIPMT 2002
A solution contains non volatile solute of molecular mass M2. Which of the following can be used to calculate the molecular mass of solute in terms of osmotic pressure?
A
\({M_2} = \left( {{{{m_2}} \over \pi }} \right)VRT\)
B
\({M_2} = \left( {{{{m_2}} \over V}} \right){{RT} \over \pi }\)
C
\({M_2} = \left( {{{{m_2}} \over V}} \right)\pi RT\)
D
\({M_2} = \left( {{{{m_2}} \over V}} \right){\pi \over {RT}}\)
Open complete paper
5
2005 · Chemistry · Physical Chemistry · Solutions
AIPMT 2005
A solution has a 1 : 4 mole ratio of pentane to hexane. The vapour pressures of the pure hydrocarbons at 20oC are 440 mm Hg for pentane and 120 mm Hg for hexane. The mole fraction of pentane in the vapour phase would be
A
0.200
B
0.549
C
0.786
D
0.478
Open complete paper
6
2005 · Chemistry · Physical Chemistry · Solutions
AIPMT 2005
A solution of urea (mol. mass 56 g mol\(-\)1) boils at 100.18oC at the atmospheric pressure. If Kf and Kb for water are 1.86 and 0.512 K kg mol\(-\)1 respectively, the above solution will freeze at
A
0.654oC
B
\(-\) 0.654oC
C
6.54oC
D
\(-\)6.54oC
Open complete paper
7
2005 · Chemistry · Physical Chemistry · Solutions
AIPMT 2005
The vapour pressure of two liquids P and Q are 80 and 60 torr, respectively. The total vapour pressure of solution obtained by mixing 3 mole of P and 2 mole of Q would be
A
72 torr
B
140 torr
C
68 torr
D
20 torr
Open complete paper
8
2006 · Chemistry · Physical Chemistry · Solutions
AIPMT 2006
During osmosis, flow of water through a semipermeable membrane is
A
from solution having lower concentration only
B
from solution having higher concentration only
C
from both sides of semipermeable membrane with equal flow rates
D
from both sides of semipermeable membrane with unequal flow rates.
Open complete paper
9
2006 · Chemistry · Physical Chemistry · Solutions
AIPMT 2006
A solution of acetone in ethanol
A
obeys Raoult's law
B
shows a negative deviation from Raoult's law
C
shows a positive deviation from Raoult's law
D
behaves like a near ideal solution.
Open complete paper
10
2006 · Chemistry · Physical Chemistry · Solutions
AIPMT 2006
1.00 g of a non-electrolyte solute (molar mass 250 g mol\(-\)1) was dissolved in 51.2 g of benzene. If the freezing point depression constant, Kf of benzene is 5.12 K kg mol\(-\)1, the freezing point of benzene will be lowered by
A
0.2 K
B
0.4 K
C
0.3 K
D
0.5 K
Open complete paper
11
2006 · Chemistry · Physical Chemistry · Solutions
AIPMT 2006
A solution containing 10 g per dm3 of urea (molecular mass = 60 g mol\(-\)1) is isotonic with a 5% solution of a nonvolatile solute is
A
200 g mol\(-\)1
B
250 g mol\(-\)1
C
300 g mol\(-\)1
D
350 g mol\(-\)1
Open complete paper
12
2007 · Chemistry · Physical Chemistry · Solutions
AIPMT 2007
0.5 molal aqueous solution of a weak acid (HX) is 20% ionised. If Kf for water is 1.86 K kg mol\(-\)1, the lowering in freezing point of the solution is
A
0.56 K
B
1.12 K
C
\(-\) 0.56 K
D
\(-\) 1.12 K
Open complete paper
13
2009 · Chemistry · Physical Chemistry · Solutions
AIPMT 2009
A 0.0020 m aqueous solution of an ionic compound [Co(NH3)5(NO2)]Cl freezes at \(-\) 0.00732oC. Number of moles of ions which 1 mol of ionic compound produces on being dissolved in water will be (Kf = \(-\)1.86oC/m)
A
3
B
4
C
1
D
2
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14
2010 · Chemistry · Physical Chemistry · Solutions
AIPMT 2010 PRELIMS
A solution of sucrose (molar mass = 342 g mol\(-\)) has been prepared by dissolving 68.5 g of sucrose in 1000 g of water. The freezing point of the solution obtained will be (Kf for water = 1.86 K kg mol\(-\)1)
A
\(-\) 0.372oC
B
\(-\) 0.520oC
C
+ 0.372oC
D
\(-\) 0.570oC
Open complete paper
15
2010 · Chemistry · Physical Chemistry · Solutions
AIPMT 2010 PRELIMS
An aqueous solution is 1.00 molal in KI. Which change will cause the vapour pressure of the solution to increase?
A
Addition of NaCl
B
Addition of Na2SO4
C
Addition of 1.00 molal KI
D
Addition of water
Open complete paper
16
2011 · Chemistry · Physical Chemistry · Solutions
AIPMT 2011 MAINS
A 0.1 molal aqueous solution of a weak acid is 30% ionized. If Kf for water is 1.86oC/m, the freezing point of the solution will be
A
\(-\)0.18oC
B
\(-\)0.54oC
C
\(-\)0.36oC
D
\(-\)0.24oC
Open complete paper
17
2011 · Chemistry · Physical Chemistry · Solutions
AIPMT 2011 MAINS
200 mL of an aqueous solution of a protein contains its 1.26 g. The osmotic pressure of this solution at 300 K is found to be 2.57 \(\times\) 10\(-\)3 bar. The molar mass of protein will be (R = 0.083 L bar mol\(-\)1 K\(-\)1)
A
51022 g mol\(-\)1
B
122044 g mol\(-\)1
C
31011 g mol\(-\)1
D
61038 g mol\(-\)1
Open complete paper
18
2011 · Chemistry · Physical Chemistry · Solutions
AIPMT 2011 PRELIMS
The freezing point depression constant for water is \(-\)1.86o C m\(-\)1. If 5.00 g Na2SO4 is dissolved in 45.0 g H2O, the freezing point is changed by \(-\)3.82oC. Calculate the van't Hoff factor for Na2SO4.
A
2.05
B
2.63
C
3.11
D
0.381
Open complete paper
19
2011 · Chemistry · Physical Chemistry · Solutions
AIPMT 2011 PRELIMS
The van't Hoff factor \(i\) for a compound which undergoes dissociation in one solvent and association in other solvent is respectively
A
less than one and greater than one
B
less than one and less than one
C
greater than one and less than one
D
greater than one and greater than one.
Open complete paper
20
2012 · Chemistry · Physical Chemistry · Solutions
AIPMT 2012 MAINS
Vapour pressure of chloroform (CHCl3) and dichloromethane (CH2Cl2) at 25oC are 200 mm Hg and 41.5 mm Hg respectively. Vapour pressure of the solution obtained by mixing 25.5 g of CHCl3 and 40 g of CH2Cl2 at the same temperature will be
(Molecular mass of CHCl3 = 119.5 u and molecular mass of CH2Cl2 = 85 u)
A
173.9 mm Hg
B
615.0 mm Hg
C
90.6 mm Hg
D
285.5 mm Hg
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Showing 20 of 50 questions