What do you mean by a precipitation reaction? Explain by giving examples.
A precipitate is an insoluble substance.
A reaction in which any insoluble solid precipitate is formed is called Precipitation Reaction
- When Sodium Sulphate solution is mixed with Barium Chloride solution It forms Barium Sulphate and Sodium Chloride solution.
In this reaction, a white precipitate of Barium Sulphate is formed .
Na 2 SO 4 (aq) + BaCl 2 (aq) → BaSO 4 (s) + 2NaCl (aq)
solution is added to
A yellow precipitate of Lead Iodide is formed along with Potassium Nitrate solution
KI + Pb(NO 3 ) 2 → KNO 3 + PbI 2