Manipal MET2020ChemistryChemical Bonding and Molecular Structure

Correct order for solubility of alkaline earth metals in water is

Options

AMgF ₂ CaF ₂ SrF ₂ BaF ₂
BMgF ₂ CaF ₂ SrF ₂ BaF ₂
CMgF ₂ CaF ₂ SrF ₂ BaF ₂
DBaF ₂ MgF ₂ SrF ₂ CaF ₂

Correct answer

A. MgF ₂ CaF ₂ SrF ₂ BaF ₂

Step-by-step solution

Order of solubility of fluorides of alkaline earth metals in water is Halides of alkaline earth metals (except Be) are ionic solids and are therefore are water soluble and their solubility in water decreases from Mg to Ba due to the decrease in the hydration energy. However, fluorides of alkanline earth metals excepts BeF ₂ are almost insoluble in water.

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