Question

# Which of the following gases has minimum rms speed at a given temperature ?

A
Oxygen
B
Nitrogen
C
Hydrogen
D
Carbon dioxide.

Solution

## The correct option is D Carbon dioxide. By definition, we know that vrms=√3Pρ=√3PVM where V is the molar volume which is a constant. ⇒vrms ∝ 1√M Molar mass of oxygen is 32 g/mol Molar mass of nitrogen is 28 g/mol Molar mass of hydrogen is 2 g/mol and Molar mass of carbon dioxide is 44 g/mol Since carbon dioxide has the highest molar mass, it has the least rms speed at a given temperature.  Hence, option (d) is the correct answer.Physics

Suggest Corrections

1

Similar questions
View More

People also searched for
View More