The volume of $0.1N$ dibasic acid sufficient to neutralize $1 g$ of a base that furnishes $0.04$ mole of $OH^{−}$ in aqueous solution is :

Question

$\begin{array}{1 1}(1) 200 mL \\(2) 400 mL\\ (3) 600 mL\\ (4) 800 mL \end{array} $