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A temperature at which rms speed of SO(2...

A temperature at which `rms` speed of `SO_(2)` molecule is half of that of helium molecules at `300 K`

A

`1200 K`

B

`600 K`

C

`800 K`

D

`900 K`

Text Solution

Verified by Experts

The correct Answer is:
A
`r_(SO_(2))=sqrt((3RT)/(64)), r_(He)=sqrt((3Rxx300)/(4))`
`:. sqrt((3Rxx300)/(4))=2sqrt((3RT)/(64)) or (3Rxx300)/(4)`
`=4xx(3RT)/(64)`
or `T=(64)/(14)xx300= 1200K`
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