Which halide of alkaline earth metals is cova | vedclass

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(D) The covalent character of alkaline earth metal halides decreases as the size of the cation increases down the group. According to Fajan's rule, sm

Vedclass · Accepted Answer

$MgCl_2$

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(D) The covalent character of alkaline earth metal halides decreases as the size of the cation increases down the group. According to Fajan's rule, smaller cations have higher polarizing power, leading to greater covalent character. Among the given options, $Mg^{2+}$ has the smallest ionic radius compared to $Ca^{2+}$, $Sr^{2+}$, and $Ba^{2+}$. Therefore, $MgCl_2$ exhibits the highest covalent character among the choices provided. Due to its covalent nature, $MgCl_2$ is soluble in organic solvents such as ethanol.

Which halide of alkaline earth metals is covalent in nature and can be soluble in organic solvent, such as ethanol?

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