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Question

A box contain equal number of molecules of hydrogen and oxygen. If there is a line hole in the box, then which gas leakes more rapidly?

A
Hydrogen gas
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B
Oxygen gas
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C
Both leak at equal rates
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D
Can't say
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Solution

The correct option is A Hydrogen gas
According to Graham's law of diffusion, the rates of diffusion of the gases are inversely proportional to the square root of their densities.
rHrO=SOSH
where, symbols represent the respective quantities.
As SO>SHSOSH>1
rHrO>1rH>rO
So, hydrogen will leak more rapidly.

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