When aqueous solution of sodium ethanoate is electrolysed, the volume of gases obtained at cathode at a pressure of `1.0` bar and 298 K temperature when `2.0` Faraday of electricity is passed is:

Options

A. (a) `67.2` liters
B. (b) `68.1` liters
C. (c) `73.2` liters
D. (d) `74.1` liters

Answer

A

Explanation

For `2 bar e` or 2F, 3 mol of gases [2 mol of `CO_(2)` + 1 mol of `CH_(3)`(g)] are produced. At `1.0` bar pressure and 298 K, volume of 1 mol of gas `=24.7` liters.
`:.` volume at anode `=24.7xx3 =74.1` liters