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At STP, the order of average velocity of...

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

A

`H_(2) gt N_(2) gt O_(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
`mu_(rms) prop sqrt((1)/(Mw))`
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