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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