Gaseous State · Chemistry · JEE Advanced

Start Practice

Numerical

JEE Advanced 2023 Paper 1 Online
A gas has a compressibility factor of 0.5 and a molar volume of $0.4 ~\mathrm{dm}^3 \mathrm{~mol}^{-1}$ at a temperature of $800 \mathrm{~K}$ and pres...
JEE Advanced 2016 Paper 1 Offline
The diffusion coefficient of an ideal gas is proportional to its mean free path and mean speed. The absolute temperature of an ideal gas is increased ...
IIT-JEE 2011 Paper 1 Offline
To an evacuated vessel with movable piston under external pressure of 1 atm, 0.1 mol of He and 1.0 mol of an unknown compound (vapour pressure 0.68 at...
IIT-JEE 2009 Paper 2 Offline
At 400 K, the root mean square (rms) speed of a gas X (molecular weight = 40) is equal to the most probable speed of gas Y at 60 K. The molecular weig...
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 i...
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 c...

MCQ (More than One Correct Answer)

JEE Advanced 2015 Paper 2 Offline
One mole of a monoatomic real gas satisfies the equation p(V $$-$$ b) = RT where b is a constant. The relationship of interatomic potential V(r) and i...
IIT-JEE 2011 Paper 1 Offline
According to kinetic theory of gases
IIT-JEE 2008 Paper 1 Offline
A gas described by van Der Waals equation

MCQ (Single Correct Answer)

IIT-JEE 2012 Paper 1 Offline
For one mole of a van der Waals gas when b = 0 and T = 300 K, the PV vs. 1/V plot is shown below. The value of the van der Waals constant a (atm L2 mo...
IIT-JEE 2009 Paper 1 Offline
The term that corrects for the attractive forces present in a real gas in the van der Waals equation is

Subjective

IIT-JEE 1999
One mole of nitrogen gas at 0.8 atm takes 38 s to diffuse through a pinhole. whereas one mole of an unknown compound of xenon with flourine at 1.6 atm...
IIT-JEE 1994
An LPG (liquefied petroleum gas) cylinder weighs 14.8 kg when empty. When full, it weighs 29.0 kg and shows a pressure of 2.5 atm. In the course of us...
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 co...
IIT-JEE 1993
A gas bulb of 1 litre capacity contains 2.0 $$\times$$ 1021 molecules of nitrogen exerting a pressure of 7.57 $$\times$$ 103 Nm-2. Calculate the root...
IIT-JEE 1992
At room temperature the following reacton is procedd nearly to completion: 2NO + O2 $$\to$$ 2NO2 $$\to$$ N2O4 The dimer, N2O4, solidifies at 262 K....
IIT-JEE 1991
Calculate the volume occupied by 5.0 g of acetylene gas at 50oC and 740 mm pressure.
IIT-JEE 1985
Calculate the root mean square velocity of ozone kept in a closes vessel at 20oC and 82 cm mercury pressure.
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 ...
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12