Caluculate the ratio of the rate diffusion of He and `CH_(4)` under identical condition of `P` and `T` .

Ratio of rates of diffusion of He and CH_(4) (under identical conditions):

The ratio of the rates of diffusion of helium and methane under identical condition of pressure and temperature will be _____

The ratio of the rate of diffusion of helium and methane under indentical conditions of pressure and temperature will be

The ratio of the rate of diffusion of helium and methane under indentical conditions of pressure and temperature will be

The ratio of the rate of diffusion of helium and methane under indentical conditions of pressure and temperature will be

The ratio of the rates of diffusion of SO_(2), O_(2) and CH_(4) is :

The rate of effusion of an equilibrium mixture in 1 litre vessel of, at 300 K , A_(2)hArr2A through a pinhole is 0.707 times of rate of diffusion on O_(2) under identical conditions of P and T . Which of the following is/are correct if at. Wt. of A is 46 ?