Equal moles of hydrogen and oxygen gas are placed in a container, with a pin-hole through which both can escape what fraction of oxygen esacpes in the time required for one-half of the hydrogen to escape.

Options

A. `(3)/(8)`
B. `(1)/(2)`
C. `(1)/(8)`
D. `(1)/(4)`

Answer

C

Explanation

By Graham's law of diffusion `t_(2)//t_(1)` is equal to root of `M_(2)M_(1).t_(2)//t_(1)`