Q.

Some of the group IIA metal halides are covalent and soluble in organic solvents. Among the following metal halides, the one which is soluble in ethanol Highest extent

Moderate

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BeCl2

MgCl2

CaCl2

SrCl2

answer is A.

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Detailed Solution

Ethanol is an organic compound, i.e. of covalent character "like dissolves like". To dissolve in ethanol the compound should have more covalent character.Beryllium halides have covalent character due to small size and high effective nuclear charge. Hence, BeCl2 is most covalent among all other chlorides.

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