Gases RT

The order of the rate of diffusion of gases NH₃, SO₂. CI₂ and CO₂ is

• NH₃> SO₂> Ci₂> CO₂

• NH₃>CO₂> SO₂> CI₂

• CI₂> So₂> CO₂> NH₃

• None of these

If absolute temperature of a gas is doubled and the pressure is reduced to one half the volume of gas will

• Remain unchanged

• Increases four times

• Reduce to 1/4^th

• Be doubled

The deviation of a gas from ideal behavior is maximum at

• -10^oC and 5.0 atm

• -10^oC and 2.0 atm

• 100^oC and 2.0 atm

• 0^oC and 2.0 atm

Absolute temperature of a gas is proportional to

• Translational kinetic energy

• Rotational kinetic energy

• Vibrational energy

• Potential energy

Which is not the state of matter?

• Plasma

• Solid

• Gas

• None

Absolute zero is equal to

• 273⁰C

• -273⁰C

• -273⁰K

• -273⁰F

Sudden expansion of a gas causes cooling this phenomenon is called

• Condensation

• Sublimation

• Joule Thomson effect

• Evaporation

If V₁ = 5 litres, P₁ = 2 atm, T₁ = 273^oC. T₂­ =0^oC and V₂=? When P₂ =1 atm.

• 5 lit

• 10 lit

• 2.5 lit

• 12.5 lit

Different gases with same K.E. move with ______ velocities

• Same

• Different

• Equal

• None

which one has the lowest density at room temperture?

• Ne

• N₂

• NH₃

• CO