AIPMT PRELIMS2011Chemistry-Kinetic Theory of Gases
AIPMT PRELIMS 2011 Chemistry Average Velocity MCQ Question
Type: MCQ-conceptual-Medium-Class 11
By what factors does the average velocity of a gaseous molecule increase when the temperature (in Kelvin) is doubled?
A
1.4
B
2.0
C
2.8
D
4.0
Correct Answer
Option A
Detailed Explanation
Average velocity = √(8RT/πM). Doubling temperature increases velocity by √2 ≈ 1.4.
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