1
MCQ (Single Correct Answer)

AIPMT 2000

Which of the following expressions correctly represents the relationship between the average molar kinetic energy, KE, of CO and N2 molecules at the same temperature ?
A
KECO = KEN2
B
KECO > KEN2
C
KECO < KEN2
D
cannot be predicted unless volumes of the gases are given

Explanation

Average molar kinetic energy = $${3 \over 2}nRT$$

As temperature is same hence average kinetic energy of CO and N2 will be same.

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