Question

Define Double displacement reaction.

Answer 1

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$\huge\mathfrak{\blue{Answer→}}$A double displacement reaction, also known as a double replacement reaction or metathesis, is a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products.

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Answer 2

$<marquee>$ Double displacement reaction

It is nothing but the displacement of two ions.

General equation :

AB + CD → AD + CB

Example :

CuCl 2(aq) + 2 AgNO 3(aq) → Cu(NO 3) 2(aq) + 2 AgCl(s)