Which of the alkaline earth metal halides giv | vedclass

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(D) According to Fajan's rule,covalent character increases as the size of the cation decreases and its charge density increases. Among the alkaline ea

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$MgCl_2$

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(D) According to Fajan's rule,covalent character increases as the size of the cation decreases and its charge density increases. Among the alkaline earth metal ions ($Mg^{2+}$,$Ca^{2+}$,$Sr^{2+}$,$Ba^{2+}$),the $Mg^{2+}$ ion has the smallest size. Therefore,$MgCl_2$ exhibits the most significant covalent character among the given halides.

Which of the alkaline earth metal halides given below is essentially covalent in nature?

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