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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.

26Papers
25Years
36Questions
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 21 58.3%
Medium 14 38.9%
Not classified 1 2.8%

Question type distribution

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

Multiple Choices 22 61.1%
Numerical Answer Type (NAT) 10 27.8%
Subjective 4 11.1%

Subject weightage

Top subjects by unique question coverage.

Chemistry
36 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
36 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Gaseous State
36 Qs

Paper coverage

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

JEE ADVANCED 2025 PAPER 1 ONLINE
1 Qs
JEE ADVANCED 2024 PAPER 1 ONLINE
1 Qs
JEE ADVANCED 2023 PAPER 1 ONLINE
1 Qs
JEE ADVANCED 2020 PAPER 1 OFFLINE
2 Qs
JEE ADVANCED 2016 PAPER 1 OFFLINE
1 Qs
JEE ADVANCED 2015 PAPER 2 OFFLINE
1 Qs
JEE ADVANCED 2014 PAPER 1 OFFLINE
1 Qs
IIT JEE 2012 PAPER 1 OFFLINE
1 Qs
IIT JEE 2011 PAPER 1 OFFLINE
2 Qs
IIT JEE 2009 PAPER 1 OFFLINE
1 Qs
IIT JEE 2009 PAPER 2 OFFLINE
1 Qs
IIT JEE 2008 PAPER 1 OFFLINE
1 Qs
IIT JEE 2006
1 Qs
IIT JEE 1999
1 Qs
IIT JEE 1996
1 Qs
IIT JEE 1994
1 Qs
IIT JEE 1993
1 Qs
IIT JEE 1992
1 Qs
IIT JEE 1991
1 Qs
IIT JEE 1989
1 Qs
IIT JEE 1987
2 Qs
IIT JEE 1986
1 Qs
IIT JEE 1985
3 Qs
IIT JEE 1984
3 Qs
IIT JEE 1982
2 Qs
IIT JEE 1981
3 Qs

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
JEE ADVANCED 2025 PAPER 1 ONLINE20251View paper
JEE ADVANCED 2024 PAPER 1 ONLINE20241View paper
JEE ADVANCED 2023 PAPER 1 ONLINE20231View paper
JEE ADVANCED 2020 PAPER 1 OFFLINE20202View paper
JEE ADVANCED 2016 PAPER 1 OFFLINE20161View paper
JEE ADVANCED 2015 PAPER 2 OFFLINE20151View paper
JEE ADVANCED 2014 PAPER 1 OFFLINE20141View paper
IIT JEE 2012 PAPER 1 OFFLINE20121View paper
IIT JEE 2011 PAPER 1 OFFLINE20112View paper
IIT JEE 2009 PAPER 1 OFFLINE20091View paper
IIT JEE 2009 PAPER 2 OFFLINE20091View paper
IIT JEE 2008 PAPER 1 OFFLINE20081View paper
IIT JEE 200620061View paper
IIT JEE 199919991View paper
IIT JEE 199619961View paper
IIT JEE 199419941View paper
IIT JEE 199319931View paper
IIT JEE 199219921View paper
IIT JEE 199119911View paper
IIT JEE 198919891View paper
IIT JEE 198719872View paper
IIT JEE 198619861View paper
IIT JEE 198519853View paper
IIT JEE 198419843View paper
IIT JEE 198219822View paper
IIT JEE 198119813View paper

All Gaseous State previous year questions

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

1
1981 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1981
Equal weights of methane and oxygen are mixed in an empty container at 25oC. The fraction of the total pressure exerted by oxygen is
A
1/3
B
1/2
C
2/3
D
\({1 \over 3} \times {{273} \over {298}}\)
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2
1981 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1981
The ratio of root mean square velocity to average velocity of a gas molecule at a particular temperature is
A
1.086:1
B
1:1.086
C
2:1.086
D
1.086:2
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3
1981 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1981
The temperature at which a real gas obeys the ideal gas aws over a wide range of pressure is
A
Critical temperature
B
Boyle temperature
C
Inversion temperature
D
Reduced temperature
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4
1982 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1982
At room temparature, ammonia gas at 1 atm pressure and hydrogen chloride gas at P atm pressure are allowed to effuse through identical pin holes from opposite ends of a glass tube of one metre length and of uniform cross-section. Ammonium chloride is first formed at a distance of 60 cm from the end through which HCL gas is sent in. What is the value of P?
Write your response
Open complete paper
5
1982 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1982
Helium atom is two times heavier than a hydrogen molecule. At 298 K, the average kinetic energy of a helium atom is
A
two times that of a hydrogen molecule
B
four times that of a hydrogen molecule
C
same as that of a hydrogen molecule
D
half that of a hydrogen molecule
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6
1984 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1984
Equal weights of methane and hydrogen are mixed in an empty container at 25oC. The fraction of the total pressure exerted by hydrogen is
A
1/2
B
8/9
C
1/9
D
16/17
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7
1984 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1984
Cp - Cv for an ideal gas is _______
Write your response
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8
1984 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1984
The total energy of one mole of an ideal monatomic gas at 27o is _______ calories.
Enter a numerical response
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9
1985 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1985
Kinetic Energy of a Molecule is zero at 0oC.
A
TRUE
B
FALSE
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10
1985 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1985
A gas in a closed container will exert much higher pressure due to gravity at the bottom than at the top.
A
TRUE
B
FALSE
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11
1985 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1985
Rate of diffusion of a gas is
A
directly proportional to its density
B
directly proportional to the square root of its molecular weight
C
inversely proportional to the square root of its molecular weight.
D
directly proportional to its molecular weight
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12
1986 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1986
The average velocity of an ideal gas molecule at 27oC is 0.3m/sec. The average velocity at 927oC will be
A
0.6 m/sec
B
0.3 m/sec
C
0.9 m/sec
D
3.0 m/sec
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13
1987 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1987
A spherical balloon of 21 cm diameter is to be filled up with hydrogen at N.T.P from a cylinder containing the gas at 20 atmospheres at 27oC. If the cylinder can hold 2.82 litres of water, calculate the number of balloons that can be filled up.
Enter a numerical response
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14
1987 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1987
The value of PV for 5.6 litres of an ideal gas is ________ RT, at NTP.
Enter a numerical response
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15
1989 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1989
Eight gram each of oxygen and hydrogen at 27oC will have the total kinetic energy in the ratio of _______.
Write your response
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16
1991 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1991
Calculate the volume occupied by 5.0 g of acetylene gas at 50oC and 740 mm pressure.
Write your response
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17
1992 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1992
At 27oC, hydrogen is leaked through a tiny hole into a vessel for 20 minutes. Another unknown gas at the same temperature and pressure as that of H2 is leaked through the same hole for 20 minutes After the effusion of the gases the mixture exerts a pressure of 6 atmosphere. The hydrogen content of the mixture is 0.7 mole. If the volume of ther container is 3 litres, what is the molecular weight of the unknown gas?
Enter a numerical response
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18
1993 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1993
In the van der Waal's equation (P + \({{{n^2}a} \over {{V^2}}}\))(V - nb) = nRT the constant 'a' reflects the actual volume of the gas molecules.
A
TRUE
B
FALSE
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19
1994 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1994
A 4 : 1 molar mixture of He and CH4 is contained in a vessel at 20 bar pressure. Due to a hole in the vessel the gas mixture leaks out. What is the composition of the mixture effusing out initially?
Write your response
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20
1996 · Chemistry · Physical Chemistry · Gaseous State
IIT JEE 1996
A mixture of ideal gas is cooled upto liquid helium temperature (4.22K) to form an ideal solution
A
TRUE
B
FALSE
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Showing 20 of 36 questions