List of top Chemistry Questions on Gaseous State

A balloon filled with an air sample occupies 3 L volume at 35 °C. On lowering the temperature to T, the volume decreases to 2.5 L. The temperature T is [Assume P constant]

Sum of molar mass of gas $(x) & (y)$ is :

100 mL of a hydrocarbon is mixed with 360 mL of oxygen and ignited. After combustion, the gaseous mixture has a volume of 280 mL at NTP. After passing through KOH, 80 mL of gas remains. The hydrocarbon is:

Identify a molecule having highest number of lone pair of electrons in valence shell of central atom.

What is vapour density of \(\text{O}_2\) gas?

Which among the following has lowest boiling point?

The unit of van der Waals constant ‘a’ is

The expression of average speed (u avg) of molecules of a gas is given by

The kinetic energy of a gas molecule is ..... temperature

The ratio of rate of diffusion of SO\(_2\) (M = 64) and oxygen (M = 32) is

If \(p\), \(T\), \(\rho\) and \(R\) represents pressure, temperature, density and universal gas constant respectively, then the molar mass of the ideal gas is given by

Helium-oxygen mixture is used by deep sea divers in preference to nitrogen-oxygen mixture because ________.