Question

What is Double displacement Reaction??

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Answer 1

Answer:

Double displacement Reaction :

The reaction in which there is mutual exchange of ions is called Double displacement Reaction .

For example :

Barium chloride react with sulfuric acid to form barium sulfate and hydrochloric acid .

Chemically :

BaCl₂ + H₂SO₄ ⇒ BaSO₄ + HCl

Type of Double displacement Reaction are :

Precipitation reaction :

When one part form as solid product .

For example :

Pb ( NO₃ )₂ + KI ⇒ PbI₂ ↓  + 2 KNO₃

Neuralization reaction :

When acid - base react to each other and forms salt and water .

Example :

HCl + NaOH ⇒  NaCl  +  H₂O

Answer 2

Answer:

Double displacement is a reaction in which There is a mutual exchange of metallic and non mettalic parts.

Example:Mgso4+ Na2co3 gives Mgco3+Na2so4

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