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MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical 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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