Which of the following statement(s) is / are correct?

Options

A. The chloride of Be is electron deficient and is polymeric with halogen bridges.
B. The reaction of CaO, SrO and BaO with water is exothermic.
C. The bicarbonates of alkaline earth metals are only stable in solutions.
D. `BeF_(2)` is very soluble in water owing the high solvation energy of `Be^(2+)` but fluorides of other alkaline earth metals are almost insoluble

Answer

A, B, C, D