# If $Bacl_2$ ionizes to an extent of $80 \%$ in aqueous solution, the value of Van't Hoff factor is :

$\begin {array} {1 1} (1)\;2.6 & \quad (2)\;0.4 \\ (3)\;0.8 & \quad (4)\;2.4 \end {array}$

(1) 2.6