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Which of the following has maximum root ...

Which of the following has maximum root mean square velocity at the same temperature ?

A

`SO_(2)`

B

`CO_(2)`

C

`O_(2)`

D

`H_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
According to the kinetic energy molecular theory of gases , we have
`u_(rms) = sqrt((3 RT)/(M))`
At a given temperature ,
`u_(rms) prop sqrt((1)/(M))`
Thus , `H_(2)` gas with the lowest molar mass the maximum `rms` velocity.
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