Which of the following salts can accommodate | vedclass

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(B) The hydration energy of alkaline earth metal ions decreases as the size of the ion increases $(Mg^{2+} > Ca^{2+} > Sr^{2+} > Ba^{2+})$. $MgCl_2$ f

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$MgCl_2$

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(B) The hydration energy of alkaline earth metal ions decreases as the size of the ion increases $(Mg^{2+} > Ca^{2+} > Sr^{2+} > Ba^{2+})$. $MgCl_2$ forms a hexahydrate $(MgCl_2 \cdot 6H_2O)$,whereas $CaCl_2$ forms a hexahydrate,$SrCl_2$ forms a hexahydrate,and $BaCl_2$ forms a dihydrate $(BaCl_2 \cdot 2H_2O)$. Among the given options,$MgCl_2$ has the highest tendency to coordinate water molecules due to its small ionic radius and high charge density,allowing it to form stable hexahydrates.

Which of the following salts can accommodate the largest number of $H_2O$ molecules per molecule in their halide hydrates?

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