what is mean by double displacement reaction ?
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double displacement reaction :-
the reaction in which the ions in the reactants are exchanged to form a precipitate arr called double displacement reaction .
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A double displacement reaction involves the exchange of ions (cations and anions) between the reactants. The two types of double displacement reactions are: Precipitate formation: Pb(NO3)2 + 2KI → 2KNO3 + PbI2 (yellow lead iodide precipitate) Water formation (Acid-base reaction): HCl + NaOH → NaCl + H2O.
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