A metal, $M$ forms chlorides in its $+2$ and $+4$ oxidation states. Which of the following statements about these chlorides is correct?
$MC{l_2}$ is more ionic than $MC{l_4}$
$MC{l_2}$ is more easily hydrolysed than $MC{l_4}$
$MC{l_2}$ is more volatile than $MC{l_4}$
$MC{l_2}$ is more soluble in anhydrous ethanol than $MC{l_4}$.
