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A gas diffuse (1)/(5) times as fast as h...

A gas diffuse `(1)/(5)` times as fast as hydrogen at same pressure. Its molecular weight is

A

50

B

25

C

`25sqrt2`

D

`50sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
A
`r_g = 1/5 .r_(H_2)`
`(M_g)/(M_(H_2)) = [ (r_(H_2))/(r_g) ]^2 = (5)^2 = 25, M_g = 2 xx 25 = 50 `
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