Define double displacement reaction and explain with 3 example.
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A double displacement reaction is a type of chemical reaction where two compounds react, and positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products. For example, Na2S+2HCl→2NaCl+H2S.
Explanation:example: Fe2O3 + 6HCl → 2FeCl3 + 3H2O
FeBr3 (aq) + 3 NaOH (aq) → Fe(OH)3 (s/ppt.) + 3 NaBr (aq.)
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