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Previous year question hub

Gaseous State - Physical Chemistry - Chemistry Previous Year Questions

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

61Papers
19Years
66Questions
1Topics

Gaseous State question pattern

Every graph below is calculated only from this selection.

Questions by year

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

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 45 68.2%
Medium 21 31.8%

Question type distribution

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

Multiple Choices 37 56.1%
Numerical Answer Type (NAT) 29 43.9%

Subject weightage

Top subjects by unique question coverage.

Chemistry
66 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
66 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Gaseous State
66 Qs

Paper coverage

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

JEE MAIN 2025 ONLINE 7TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 10TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 12TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 13TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 24TH JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 29TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 30TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 31ST JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 8TH APRIL EVENING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 8TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 26TH JUNE MORNING SHIFT
2 Qs
JEE MAIN 2022 ONLINE 24TH JUNE EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 25TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 25TH JULY MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 25TH JUNE EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 26TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 26TH JULY MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 27TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 27TH JUNE EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 28TH JUNE EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 29TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 29TH JUNE MORNING SHIFT
1 Qs
JEE Main 2021 (Online) 26th February Morning Shift
2 Qs
JEE Main 2021 (Online) 24th February Evening Shift
1 Qs
JEE Main 2021 (Online) 25th February Morning Shift
1 Qs
JEE MAIN 2021 ONLINE 17TH MARCH EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 1ST SEPTEMBER EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 25TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 25TH JULY MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 26TH AUGUST EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 27TH AUGUST MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 31ST AUGUST MORNING SHIFT
1 Qs
JEE MAIN 2020 ONLINE 2ND SEPTEMBER MORNING SLOT
1 Qs
JEE MAIN 2020 ONLINE 3RD SEPTEMBER EVENING SLOT
1 Qs
JEE MAIN 2020 ONLINE 6TH SEPTEMBER MORNING SLOT
1 Qs
JEE MAIN 2020 ONLINE 7TH JANUARY EVENING SLOT
1 Qs
JEE MAIN 2020 ONLINE 8TH JANUARY EVENING SLOT
1 Qs
JEE MAIN 2019 ONLINE 10TH APRIL EVENING SLOT
1 Qs
JEE MAIN 2019 ONLINE 10TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2019 ONLINE 12TH JANUARY EVENING SLOT
1 Qs
JEE MAIN 2019 ONLINE 12TH JANUARY MORNING SLOT
1 Qs
JEE MAIN 2019 ONLINE 9TH APRIL EVENING SLOT
1 Qs
JEE MAIN 2019 ONLINE 9TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2019 ONLINE 9TH JANUARY MORNING SLOT
1 Qs
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2017 ONLINE 8TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2017 ONLINE 9TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2016 OFFLINE
1 Qs
JEE MAIN 2016 ONLINE 10TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2016 ONLINE 9TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2014 OFFLINE
1 Qs
JEE MAIN 2013 OFFLINE
1 Qs
AIEEE 2012
1 Qs
AIEEE 2011
1 Qs
AIEEE 2010
1 Qs
AIEEE 2007
1 Qs
AIEEE 2005
1 Qs
AIEEE 2004
2 Qs
AIEEE 2003
1 Qs
AIEEE 2002
3 Qs

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
JEE MAIN 2025 ONLINE 7TH APRIL MORNING SHIFT20251View paper
JEE MAIN 2023 ONLINE 10TH APRIL MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 12TH APRIL MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 13TH APRIL MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 24TH JANUARY EVENING SHIFT20231View paper
JEE MAIN 2023 ONLINE 29TH JANUARY MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 30TH JANUARY MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 31ST JANUARY MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 8TH APRIL EVENING SHIFT20231View paper
JEE MAIN 2023 ONLINE 8TH APRIL MORNING SHIFT20231View paper
JEE MAIN 2022 ONLINE 24TH JUNE EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 25TH JULY EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 25TH JULY MORNING SHIFT20221View paper
JEE MAIN 2022 ONLINE 25TH JUNE EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 26TH JULY EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 26TH JULY MORNING SHIFT20221View paper
JEE MAIN 2022 ONLINE 26TH JUNE MORNING SHIFT20222View paper
JEE MAIN 2022 ONLINE 27TH JULY EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 27TH JUNE EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 28TH JUNE EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 29TH JULY EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 29TH JUNE MORNING SHIFT20221View paper
JEE Main 2021 (Online) 24th February Evening Shift20211View paper
JEE Main 2021 (Online) 25th February Morning Shift20211View paper
JEE Main 2021 (Online) 26th February Morning Shift20212View paper
JEE MAIN 2021 ONLINE 17TH MARCH EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT20211View paper
JEE MAIN 2021 ONLINE 1ST SEPTEMBER EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 25TH JULY EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 25TH JULY MORNING SHIFT20211View paper
JEE MAIN 2021 ONLINE 26TH AUGUST EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 27TH AUGUST MORNING SHIFT20211View paper
JEE MAIN 2021 ONLINE 31ST AUGUST MORNING SHIFT20211View paper
JEE MAIN 2020 ONLINE 2ND SEPTEMBER MORNING SLOT20201View paper
JEE MAIN 2020 ONLINE 3RD SEPTEMBER EVENING SLOT20201View paper
JEE MAIN 2020 ONLINE 6TH SEPTEMBER MORNING SLOT20201View paper
JEE MAIN 2020 ONLINE 7TH JANUARY EVENING SLOT20201View paper
JEE MAIN 2020 ONLINE 8TH JANUARY EVENING SLOT20201View paper
JEE MAIN 2019 ONLINE 10TH APRIL EVENING SLOT20191View paper
JEE MAIN 2019 ONLINE 10TH APRIL MORNING SLOT20191View paper
JEE MAIN 2019 ONLINE 12TH JANUARY EVENING SLOT20191View paper
JEE MAIN 2019 ONLINE 12TH JANUARY MORNING SLOT20191View paper
JEE MAIN 2019 ONLINE 9TH APRIL EVENING SLOT20191View paper
JEE MAIN 2019 ONLINE 9TH APRIL MORNING SLOT20191View paper
JEE MAIN 2019 ONLINE 9TH JANUARY MORNING SLOT20191View paper
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT20181View paper
JEE MAIN 2017 ONLINE 8TH APRIL MORNING SLOT20171View paper
JEE MAIN 2017 ONLINE 9TH APRIL MORNING SLOT20171View paper
JEE MAIN 2016 OFFLINE20161View paper
JEE MAIN 2016 ONLINE 10TH APRIL MORNING SLOT20161View paper
JEE MAIN 2016 ONLINE 9TH APRIL MORNING SLOT20161View paper
JEE MAIN 2014 OFFLINE20141View paper
JEE MAIN 2013 OFFLINE20131View paper
AIEEE 201220121View paper
AIEEE 201120111View paper
AIEEE 201020101View paper
AIEEE 200720071View paper
AIEEE 200520051View paper
AIEEE 200420042View paper
AIEEE 200320031View paper
AIEEE 200220023View paper

All Gaseous State previous year questions

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

1
2002 · Chemistry · Physical Chemistry · Gaseous State
AIEEE 2002
For an ideal gas, number of moles per litre in terms of its pressure P, gas constant R and temperature T is
A
PT/R
B
PRT
C
P/RT
D
RT/P
Open complete paper
2
2002 · Chemistry · Physical Chemistry · Gaseous State
AIEEE 2002
Value of gas constant R is
A
0.082 litre atm
B
0.987 cal mol-1 K-1
C
8.3 J mol-1 K-1
D
83 erg mol-1 K-1
Open complete paper
3
2002 · Chemistry · Physical Chemistry · Gaseous State
AIEEE 2002
Kinetic theory of gases proves
A
only Boyle's law
B
only Charle's law
C
only Avogadro's law
D
All of these
Open complete paper
4
2003 · Chemistry · Physical Chemistry · Gaseous State
AIEEE 2003
According to the kinetic theory of gases, in an ideal gas, between two successive collisions of a gas molecule travels
A
in a wavy path
B
in a straight line path
C
with an accelerated velocity
D
in a circular path
Open complete paper
5
2004 · Chemistry · Physical Chemistry · Gaseous State
AIEEE 2004
As the temperature is raised from 20°C to 40°C, the average kinetic energy of neon atoms changes by a factor of which of the following?
A
1/2
B
2
C
\(313\over293\)
D
\(\sqrt{313\over293}\)
Open complete paper
6
2004 · Chemistry · Physical Chemistry · Gaseous State
AIEEE 2004
In Van der Waals equation of state of the gas law, the constant ‘b’ is a measure of
A
intermolecular repulsions
B
intermolecular collisions per unit volume
C
Volume occupied by the molecules
D
intermolecular attraction
Open complete paper
7
2005 · Chemistry · Physical Chemistry · Gaseous State
AIEEE 2005
Which one of the following statements is NOT true about the effect of an increase in temperature on the distribution of molecular speeds in a gas?
A
The most probable speed increases
B
The fraction of the molecules with the most probable speed increases
C
The distribution becomes broader
D
The area under the distribution curve remains the same as under the lower temperature
Open complete paper
8
2007 · Chemistry · Physical Chemistry · Gaseous State
AIEEE 2007
Equal masses of methane and oxygen are mixed in an empty container at 25oC. The fraction of the total pressure exerted by oxygen is
A
2/3
B
1/2
C
1/3 \(\times\) 273/298
D
1/3
Open complete paper
9
2010 · Chemistry · Physical Chemistry · Gaseous State
AIEEE 2010
If 10–4 dm3 of water is introduced into a 1.0 dm3 flask to 300 K, how many moles of water are in the vapour phase when equilibrium is established ?
(Given : Vapour pressure of H2O at 300 K is 3170 Pa ; R = 8.314 J K–1 mol–1)
A
5.56 x 10–3 mol
B
1.53 x 10–2 mol
C
4.46 x 10–2 mol
D
1.27 x 10–3 mol
Open complete paper
10
2011 · Chemistry · Physical Chemistry · Gaseous State
AIEEE 2011
'a’ and `b’ are van der Waals’ constants for gases. Chlorine is more easily liquefied than ethane because
A
a and b for Cl2 < a and b for C2H6
B
a and b for Cl2 > a and b for C2H6
C
a for Cl2 > a for C2H6 and b Cl2 < b for C2H6
D
a for Cl2 < a for C2H6 and b Cl2 > b for C2H6
Open complete paper
11
2012 · Chemistry · Physical Chemistry · Gaseous State
AIEEE 2012
The compressibility factor for a real gas at high pressure is :
A
1 + RT/pb
B
1
C
1 + pb/RT
D
1–pb/RT
Open complete paper
12
2013 · Chemistry · Physical Chemistry · Gaseous State
JEE MAIN 2013 OFFLINE
For gaseous state, if most probable speed is denoted by C*, average speed by \(\mathop C\limits^{\_\_}\) and mean square speed by C, then for a large number of molecules the ratios of these speeds are:
A
C*: \(\mathop C\limits^{\_\_}\) : C = 1.128 : 1.225 : 1
B
C*: \(\mathop C\limits^{\_\_}\) : C = 1.225 : 1.128 : 1
C
C*: \(\mathop C\limits^{\_\_}\) : C = 1 : 1.225 : 1.128
D
C*: \(\mathop C\limits^{\_\_}\) : C = 1 : 1.128 : 1.225
Open complete paper
13
2014 · Chemistry · Physical Chemistry · Gaseous State
JEE MAIN 2014 OFFLINE
If Z is a compressibility factor, van der Waals equation at low pressure can be written as:
A
Z = 1 + \(RT \over Pb\)
B
Z = 1 - \(a \over VRT\)
C
Z = 1 - \(Pb \over RT\)
D
Z = 1 + \(Pb \over RT\)
Open complete paper
14
2016 · Chemistry · Physical Chemistry · Gaseous State
JEE MAIN 2016 OFFLINE
Two closed bulbs of equal volume \((V)\) containing an ideal gas initially at pressure \({p_i}\) and temperature \({T_1}\) are connected through a narrow tube of negligible volume as shown in the figure below. The temperature of one of the bulbs is then raised to \({T_2}.\) The final pressure \({p_f}\) is :

JEE Main 2016 (Offline) Chemistry - Gaseous State Question 53 English
A
\(2{p_i}\left( {{{{T_2}} \over {{T_1} + {T_2}}}} \right)\)
B
\(2{p_i}\left( {{{{T_1}{T_2}} \over {{T_1} + {T_2}}}} \right)\)
C
\({p_i}\left( {{{{T_1}{T_2}} \over {{T_1} + {T_2}}}} \right)\)
D
\(2{p_i}\left( {{{{T_1}} \over {{T_1} + {T_2}}}} \right)\)
Open complete paper
15
2016 · Chemistry · Physical Chemistry · Gaseous State
JEE MAIN 2016 ONLINE 10TH APRIL MORNING SLOT
Initially, the root mean square (rms) velocity of N2 molecules at certain temperature is \(u\). If this temperature is doubled and all the nitrogen molecules dissociate into nitrogen atoms, then the new rms velocity will be :
A
u/2
B
2u
C
4u
D
14u
Open complete paper
16
2016 · Chemistry · Physical Chemistry · Gaseous State
JEE MAIN 2016 ONLINE 9TH APRIL MORNING SLOT
At very high pressures, the compressibility factor of one mole of a gas is given by :
A
\({{pb} \over {RT}}\)
B
1 + \({{pb} \over {RT}}\)
C
1 \(-\) \({{pb} \over {RT}}\)
D
1 \(-\) \({b \over {\left( {VRT} \right)}}\)
Open complete paper
17
2017 · Chemistry · Physical Chemistry · Gaseous State
JEE MAIN 2017 ONLINE 8TH APRIL MORNING SLOT
Among the following, the incorrect statement is :
A
At low pressure, real gases show ideal behaviour.
B
At very low temperature, real gases show ideal behaviour.
C
At very large volume, real gases show ideal behaviour.
D
At Boyle’s temperature, real gases show ideal behaviour.
Open complete paper
18
2017 · Chemistry · Physical Chemistry · Gaseous State
JEE MAIN 2017 ONLINE 9TH APRIL MORNING SLOT
At 300 K, the density of a certain gaseous molecule at 2 bar is double to that of dinitrogen (N2 ) at 4 bar. The molar mass of gaseous molecule is :
A
28 g mol\(-\)1
B
56 g mol\(-\)1
C
112 g mol\(-\)1
D
224 g mol\(-\)1
Open complete paper
19
2018 · Chemistry · Physical Chemistry · Gaseous State
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT
Assuming ideal gas behaviour, the ratio of density of ammonia to that of hydrogen chloride at same temperature and pressure is : (Atomic wt. of Cl = 35.5 u)
A
1.46
B
0.46
C
1.64
D
0.64
Open complete paper
20
2019 · Chemistry · Physical Chemistry · Gaseous State
JEE MAIN 2019 ONLINE 10TH APRIL EVENING SLOT
Points I, II and III in the following plot respectively correspond to
(Vmp : most probable velocity) JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Gaseous State Question 41 English
A
Vmp of O2 (400 K); Vmp of N2 (300 K); Vmp of H2 (300 K)
B
Vmp of N2 (300 K); Vmp of H2 (300 K); Vmp of O2 (400 K)
C
Vmp of H2 (300 K); Vmp of N2 (300 K); Vmp of O2 (400 K)
D
Vmp of N2 (300 K); Vmp of O2 (400 K); Vmp of H2 (300 K)
Open complete paper

Showing 20 of 66 questions