Oxidation of succinate ion produces ethylene and carbon dioxide gases. On passing $0.2 \; Faraday$ electricity through an aqueous solution of potassium succinate, the total volume of gases (at both cathode and anode) at STP ($1 \;atm$ and $273 K$) is :

Question

$\begin{array}{1 1}(1) 2.24 L\\ (2) 4.48 L\\ (3) 6.72 L\\ (4) 8.96 L \end{array}$