1.

give some ready examples of precipitate formation during a chemical reaction with colour of the precipitate

Answer»

AgNO3(AQUEOUS) + KCl(aqueous) —–AgCl(PRECIPITATE) + KNO3(aqueous)

In the above reaction, a white precipitate called as silver chloride or AgCl is formed which is in a solid state. This solid silver chloride is insoluble in water. Precipitation REACTIONS help in determining the presence of DIFFERENT ions present ina particular solution

2KOH(aqueous) + CaCl2(aqueous)—-Ca(OH)2(aqueous) + 2KCl(aqueous)

resulting in the formation of an insoluble salt Called calcium hydroxide.

AgNO3(aqueous) + NaCl(aqueous) —- AgCl↓ + NaNO3 (aqueous)

Mg(OH)2(s) + 2HCL (aqueous) ——— MgCl2(aqueous) + 2H2O(l)


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