Equal weights of methane and hydrogen ar...

Equal weights of methane and hydrogen are mixed in an empty container at `25^@` C. The farction of total pressure exerted by hydrogen is

A

`1:2`

B

`1:1`

C

`1:16`

D

`15:16`

Verified by Experts

The correct Answer is:

D

Mole fraction of hydrogen = `(w//2)/(w//2 + w//30) = 15//16`
If the total pressure is P then pressure exerted by hydrogen = `P xx 15/16`

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