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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) gt N_(2) gtO_(2) gt HBr`

B

`HBr gt O_(2) gt N_(2) gt H_(2)`

C

`HBr gt H_(2) gt O_(2) gt N_(2)`

D

`N_(2) gt O_(2) gt H_(2) gt HBr`

Text Solution

Verified by Experts

The correct Answer is:
A
`U_(rms)= sqrt((3RT)/(M_(w)))`
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