Explain the relation between ionic product and solubility product… - Vidyadip

Question

Explain the relation between ionic product and solubility product to predict whether a precipitate will form when two solutions are mixed?

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Answer

If ionic product and solubility product are indicated by IP and $K _{\text {sp }}$ respectively then,
(I) When IP = $K _{ spp }$, the solution is saturated.
(II) When $IP > K _{ sp }$, the solution is supersaturated and hence precipitation will occur, when two solutions are mixed.
(III) When IP $< K _{\text {sp }}$ the solution is unsaturated and precipitation will not occur, when two solutions are mixed.

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