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Densities of two gases are in the ratio ...

Densities of two gases are in the ratio `1: 2` and their temperatures are in the ratio `2:1`, then the ratio of their respective pressure is

A

`1:1`

B

`1:2`

C

`2:1`

D

`4:1`

Text Solution

Verified by Experts

The correct Answer is:
a
(a) `PMw=dRT`
`Mw prop dT `
`(M_(1))/(M_(2))=(d_(1)T_(1))/(d_(2)T_(2))=(1xx2)/(2xx1)=(1)/(1)`
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