• # question_answer 44)   Some of the group 2 metal halides are covalent and soluble in organic solvents. Among the following metal halides the one which is soluble in ethanol is : (a)$BeC{{l}_{2}}$                           (b) $MgC{{l}_{2}}$                        (c) $CaC{{l}_{2}}$                           (d) $SrC{{l}_{2}}$

(a) $BeC{{l}_{2}}$ is covalent in nature as $B{{e}^{2+}}$ ion has high polarisation power due to small size and high charge. It is soluble in alcohol.