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The increasing order of effusion among t...

The increasing order of effusion among the gases, `H_2`, O_2, NH_3` and `CO_2` is

A

`H_(2),CO_(2), NH_(3), O_(2)`

B

`H_(2), NH_(3), O_(2), CO_(2)`

C

`H_(2), O_(2), NH_(3), CO_(2)`

D

`CO_(2), O_(2), NH_(3), H_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Apply `r prop sqrt(1//M)`, Graham's law. The gas with lower molecular mass effuses faster
`CO_(2)(44) lt O_(2) (32) lt NH_(3) (17) lt H_(2) (2)`
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