The precipitation takes place only when the product of concentration of ions
A.exceeds the solubility product✓ Correct
B.is less than the solubility product
C.in negligible
D.is equal to the solubility product
Explanation
The precipitation takes place only when the product of concentration of ions exceeds the solubility product. If the product, it will dissolve. AB A B If sp A B K precipitation place. If sp A B K substance will dissolve.