Select correct option(s): (Use `R = (25)/(3) J//mol-K`)

Options

A. `C_(rms)` of `C_(2)H_(6)` at `27^(@)C` is `500 m//s`.
B. `C_(rms) : C_(av) : C_(mp)` for same gas under similar condition is `sqrt(3) : sqrt(8)/(pi) sqrt(2)`
C. Rate of effusion of `2 : 1` molar ratio of `H_(2)` and `O_(2)` is `4 : 1` at constant temperature
D. Rate of effusion of `4 : 1` molar ratio of `He` and `SO_(2)` is `16 : 1` at constant temperature

Answer

A, D

Explanation

(C) Rate of effusion of `2 : 1` molar ratio of `H_(2)` and `O_(2)` is `8 : 1` at constant temperature.