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Spontaneity

Rate of effus...

Question

Rate of effusion of a gas is volume of gas _____ per second.

A

mixing

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B

escaping

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C

increasing

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D

none of these

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Solution

The correct option is B escaping
Rate of effusion of a gas is volume of a gas escaping per second. Its formula is same as rate of diffusion.
Rate of effusion $\propto \frac{1}{\sqrt{m}}$
Where $m$ is molecular weight of the gas.

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