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The rms speed of oxygen molecules in a g...

The rms speed of oxygen molecules in a gas is `Delta.` If the temperature is doubled and the `O_(2)` molecule dissociated into oxygen atoms, the rms speed will become

A

v

B

`v sqrt2`

C

` 2v`

D

` 4v`

Text Solution

Verified by Experts

The correct Answer is:
C
` V_(RMS) = sqrt((3RT)/(M_0)) = v`
For oxygen ` " " V_(RMS) = sqrt((3R xx 2T)/(M_0//2))= 2v.`
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