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When r,P and M represent rate of diffusi...

When r,P and M represent rate of diffusion, pressure and molecular mass respectively, then the ratio of the rates of diffusion `( r_(A) //r_(B))` of two gases A and B , is given as `:`

A

`( P_(A) //P_(B)) ( M_(B)//M_(A)) ^(1//2)`

B

`( P_(A) //P_(B))^(1/2) ( M_(B)//M_(A))`

C

`( P_(A) //P_(B)) ( M_(A)//M_(B)) ^(1//2)`

D

`( P_(A) //P_(B))^(1/2) ( M_(A)//M_(B))`

Text Solution

Verified by Experts

The correct Answer is:
A
`r prop (p )/( sqrt(d))` or `prop ( p )/( sqrt( M ))`
`:. ( r_(A))/( r_(B)) = ( p_(A))/( p _(B)) = sqrt((M_(B))/( M_(A)))`
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