explain double displacement reaction with suitable reaction why it is also called Ion exchange method
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Answer:
A double displacement reaction is a type of reaction where two reactants exchange ions to form two new compounds. Double displacement reactions typically result in the formation of a product that is a precipitate.
Double displacement reactions take the form:
AB + CD → AD + CB
The reaction occurs most often between ionic compounds, although technically the bonds formed between the chemical species may be either ionic or covalent in nature.
A chemical reaction in which two compounds in their aqueous solution interchange their ions to form two new compounds is known as double displacement reaction.
AB+ CDAD+BC
HCl+ NaOH NaCl+H2O
It is also known as ion exchange method because the compounds interchange their ions to form two new different compounds