The average translational K.E. of `O_(2)` (molar mass 32 ) molecules at a particular temperature is 0.048 eV. The translational K.E. of the `N_(2)` (molar mass 28) molecules in eV at the same temperature is ............ .

Options

A. 0.0015
B. 0.003.
C. 0.048
D. 0.768

Answer

C

Explanation

Average translational K.E. of a molecules `=3/2kT`.
It is indepent of molecular mass.