`Be(OH)_(2)` is insoluble in water while `Ba(OH)_(2)` is highly soluble due to

NH_4OH is highly soluble in

BeF_2 is highly soluble in water while CaF_2 s almost insoluble in water. Explain.

Mg(OH)_(2) is sparingly soluble in water but highly soluble in aqueous NH_(4)Cl solution-explain.

Explain giving reasons why: (i) Mg(OH)_2 is sparingly soluble in water but highly soluble in ammonium chloride solution.

Statement-1 :White precipitate of Mg(OH)_(2) is insoluble in excess of sodium hydroxide but readily soluble in solution of ammonium salts. Statement-2 : Mg(OH)_(2) is very sparingly soluble in water.

Statement-1 :White precipitate of Mg(OH)_(2) is insoluble in excess of sodium hydroxide but readily soluble in solution of ammonium salts. Statement-2 : Mg(OH)_(2) is very sparingly soluble in water.

Give reasons for the following : MgCl_(2) is soluble in water but insoluble in acetone, while methane is insoluble in water, but soluble in acetone.

AI(OH)_(3) is insoluble in excess of NH_(4)OH but soluble in excess of NaOH. Explain.

BeF_(2) is highly soluble in water whereas the fluorides of other alkaline earth metals are almost insoluble because