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.

Options

A. Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1.
B. Statement-1 is True, Statement-2- is True, Statement-2 is NOT a correct explanation for Statement-16
C. Statement-1 is True, Statement-2 is False
D. Statement-1 is False, Statement-2 is True

Answer

B

Explanation

`K_(sp)` of `Mg(OH)_(2)` is large, hence in presence of `NH_(4)^(+)` salts `[OH^(-)]darr` and white ppt. of `Mg(OH)_(2)` dissolves.