MCQ
Any precipitate is formed when
  • A
    Solution becomes saturated
  • B
    The value of ionic product is less that than the value of solubility product
  • C
    The value of ionic product is equal than the value of solubility product
  • The value of ionic product is greater than the value of solubility product

Answer

Correct option: D.
The value of ionic product is greater than the value of solubility product
d
When the ionic product of a solution exceeds the solubility product, the solution becomes supersaturated and precipitation of salts occurs. Solubility product represents the maximum possible concentration of the solute which can be dissolved in the solution to form a saturated solution. When the ionic product exceeds this value, any excess amount will precipitate out as long as the solution cannot hold it.

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