Question

Write about double displacement reaction.​

Answer 1

Answer:

Those reactions in which two compounds react by an exchange of ions to form two new compounds are called double displacement reactions. ... Many double displacement reactions occur between ionic compounds that are dissolved in water. A double replacement reaction is represented by the general equation.

Answer 2

Displacement reaction :-

• It is a type of reaction in which two reactants exchange ions to form two new compounds.
• This reaction result in the formation of a product that is a precipitate.
• For example :-

BaCl2 (aq) + NaSO4 (aq) → BaSO4 + 2NaCl