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#group 2 fluorides

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Which of the following has the highest lattice energy among group 2 fluorides?

Lattice energy increases with smaller ionic radii (higher charge density). BeF₂ has the highest lattice energy in group 2 due to Be²⁺’s small size, compared to MgF₂, CaF₂, or SrF₂.

Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Genesis of Periodic Classification - Dobereiner Newlands Mendeleev