1.

A,B and C are ideal gases. Their molecular weights are 2,4 and 28 respectively. The rate of diffusion of these gases follow the order

Answer»

`C gt A gt B`
`C gt B gt A`
`A = B=C`
`A gt B gt C`

Solution :According to GRAHAM's LAW of diffusion, rate of diffusion `prop (1)/(sqrt("molecular weight"))`
As the molecular weight of the gas increases, rate of diffusion decreases.


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