Among the following alkaline earth metal hali | vedclass

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(D) According to Fajan's rule,covalent character is directly proportional to the polarising power of the cation.Polarising power is inversely proporti

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Beryllium chloride

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(D) According to Fajan's rule,covalent character is directly proportional to the polarising power of the cation.Polarising power is inversely proportional to the size of the cation $(Polarising \ power \propto \frac{1}{	ext{size of cation}})$.Among the given alkaline earth metal ions,the size order is $Be^{2+} Since $Be^{2+}$ has the smallest size,it has the highest polarising power,making $BeCl_2$ the most covalent compound.Due to its covalent nature,$BeCl_2$ is soluble in organic solvents.

Among the following alkaline earth metal halides,the one which is covalent and soluble in organic solvents is:

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