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At STP, the order of mean square velocit...

At `STP`, the order of mean square velocity of molecules of `H_(2)`, `N_(2)`, `O_(2)`, and `HBr` is

A

`H_(2)gtN_(2)gtO_(2)gtHBr`

B

`HBrgtO_(2)gtM_(2)gtH_(2)`

C

`HBrgtH_(2)gtO_(2)gtN_(2)`

D

`N_(2)gtO_(2)gtH_(2)gtHBr`

Text Solution

Verified by Experts

`mu_(rms)=sqrt((3 RT)/(M))` or `mu_(rms) prop sqrt((1)/(M))`
Hence, `HegtN_(2)gtO_(2)gtHBr`
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