The covalent alkaline earth metal halide (X = | vedclass

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Question

(A) According to Fajan's rule,the covalent character of an ionic bond increases as the size of the cation decreases.For alkaline earth metals,the size

Vedclass · Accepted Answer

$BeX_2$

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(A) According to Fajan's rule,the covalent character of an ionic bond increases as the size of the cation decreases.For alkaline earth metals,the size of the cations follows the order: $Be^{2+} Since $Be^{2+}$ has the smallest ionic radius among the alkaline earth metal ions,$BeX_2$ exhibits the highest covalent character.Therefore,the covalent alkaline earth metal halide is $BeX_2$.

The covalent alkaline earth metal halide $(X = Cl, Br, I)$ is

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