Question

What is double displacement reaction. Give two points of difference between displacement and double displacement reaction.​

Answer 1

Answer:

Here is your answer

Explanation:

Displacement reaction

Displacement reactions are those reactions in which more reactive element displaces less reactive element in a compound

Eg- • zn + H2SO4 ------>ZnSO4+H2

(zinc) (sulphuric (zinc (hydrogen)

acid) sulphate)

• Zn+CuSO4-------->ZnSO4+Cu

(zinc) (copper (zinc (copper)

sulphate) sulphate)

Double Displacement reaction

Double Displacement reactions in which two compounds react by exchange of ions to form two new compounds

Eg- • Pb(NO3)2 + KI ---------> KNO3 + PbI

(lead nitrate) (potassium (potassium (lead iodide)

iodide) nitrate) (yellow ppt)

• Na2SO4+BaCl2------------->NaCl+BaSO4

(sodium (barium (sodium (barium sulphate)

sulphate) chloride) chloride) (white ppt.)

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Answer 2

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Double displacement reactions are reactions where the cations and anions in the reactants switch partners to form products.

AB + CD → AD + CB