The density of a gas A is twice that of ...

The density of a gas `A` is twice that of a gas `B` at the same temperature. The molecular mass of gas `B` is thrice that of `A`. The ratio of the pressure acting on `A` and `B` will be

`6 : 1`

`7 : 8`

`2 : 5`

`1 : 4`

Text Solution

Verified by Experts

The correct Answer is:

`Pm = dRT`
`(P_(A) m_(A))/(P_(B) m_(B)) = (d_(A) RT)/(d_(B) RT)`
`(P_(A))/(P_(B)) xx (1)/(3) = 2`
`P_(A): P_(B) = 6 : 1`

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