MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryGaseous statePrevious Year Questions
By what factor does the average velocity of a gaseous molecule increases, when the temperature (in kelvin) is doubled? (CBSE AIPMT 2011)
A.1.4✓ Correct
B.2.0
C.2.8
D.4.0
Explanation
Average velocity, 8 / av v RT M 1 1 2 2 av v T v T v T >> when temperature is dobuled, 1 1 2 1 2 1 2 2 v T T T v T >> 2 1 1 2 1.4 v v v >>
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