Question

to demonstrate a double displacement reaction the solution of Lead Nitrate and potassium iodide are mixed
a .what is the colour of the precipitate formed ?name the compound precipitated

Answer 1

ANSWER...

DOUBLE DISPLACEMENT REACTION

● The reaction in which two different atoms or groups of atoms are mutually exchanged is called double displacement reaction.

● Pb(NO3)2 + 2KI --- PbI2 + 2KNO3

Pb(NO3)2 = Lead Nitrate
KI = Potassium Iodide
PbI = Lead Iodide
KNO = Potassium Nitrate

● Any reaction that produces a precipitate is called precipitate reaction.

● The colour of the preparation is yellow and the compound precipitate is Pbl2.

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