1.

The halide that is highly soluble in H_(2)O among the following is

Answer»

`BeF_(2)`
`CaF_(2)`
`MgF_(2)`
`BaF_(2)`

Solution :The solubility of halides of IIA group elements decreases from Be to BA DUE to decreases in hydration energy because of increasing size of metal cation. SO, `BeF_(2)` only soluble in water


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