question_answer

Which of the following expressions correctly represents the relationship between the average molar kinetic energy, \[\overline{K.E.}\], of CO and \[{{N}_{2}}\] molecules at the same temperature [CBSE PMT 2000]

A)                 \[{{\overline{KE}}_{CO}}={{\overline{KE}}_{{{N}_{2}}}}\]

B)                 \[{{\overline{KE}}_{CO}}>{{\overline{KE}}_{{{N}_{2}}}}\]

C)                 \[{{\overline{KE}}_{CO}}<{{\overline{KE}}_{{{N}_{2}}}}\]

D)                 Cannot be predicted unless the volumes of the gases are given