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Under similar conditions which of the fo...

Under similar conditions which of the following gases will diffuse four times as quickly as oxygen ?

A

`He`

B

`H_(2)`

C

`N_(2)`

D

`D_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`(r_("gas"))/(r_(O_(2))) = sqrt((M_(O_(2)))/(M_("gas")))`
`4 = sqrt((32)/(M_("gas"))) " or " 16 = (32)/(M_("gas"))`
or `M_("gas") = (32)/(16) = 2, " i.e., " H_(2)`
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