Which of the Following Statements Is/are True of Dissolving a Water-Insoluble

Multiple Choice

Which of the following statements is/are true of dissolving a water-insoluble ionic solid?​
1) When the anion of the solid is a good base, the solubility is greatly increased by acidifying the solution.2. When the anion of the solid is a good acid, the solubility is greatly increased by acidifying the solution.3. When the anion is not sufficiently basic, the ionic solid can be dissolved in a solution containing a ligand that forms stable complex ions with its cation.

A) 1 only​
B) 2 only
C) 3 only
D) 1 and 3
E) 2 and 3