Question

what are double displacement reaction????

class 10​

Answer 1

Answer:

A salt metathesis reaction, sometimes called a double replacement reaction, double displacement reaction, is a chemical process involving the exchange of bonds between two reacting chemical species which results in the creation of products with similar or identical bonding affiliations.

Explanation:

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Answer 2

Answer:

Double Displacement Reaction: -Reactions in which ions are exchanged between two reactants forming new compounds are called double displacement reactions.

AB + CD ⇨ AC + BD

Example: When solution of barium chloride reacts with the solution of sodium sulphate, white precipitate of barium sulphate is formed along with sodium chloride.

BaCl2 + Na2SO4 ⇨ BaSO4 + 2NaCl

When sodium hydroxide (a base) reacts with hydrochloric acid, sodium chloride and water are formed.

NaOH + HCl ⇨ NaCl + H2O

Double displacement reaction, in which precipitate is formed, is also known as precipitation reaction. Neutralisation reactions are also examples of double displacement reaction.

Explanation:

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