The rate of diffusion of a gas is...

The rate of diffusion of a gas is

A

directly proportional to its density

B

directly proportional to its molecular weight

C

directly proportional to the square root of its molecular weight

D

inversely proportional to the square root of its molecular weight

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The correct Answer is:

D

`("Rate"_(1))/("Rate"_(2)) = sqrt((M_(2))/(M_(1)))` So, Rate is inversely proportional to the square root of its molecular weight.

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