Question

What is displacement reactions​

Answer 1

Answer:

Displacement reactions occur when a metal from the electrochemical series is mixed with the ions of a metal lower down in the electrochemical series. The atoms of the more reactive metal push their electrons on to ions of the less reactive metal.

Answer 2

The reaction in which one atom or a group of atoms of a compound is replaced by another atom or a group of atoms are called displacement reaction.

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$\Large{\rm Some \: \: Examples:-}$

$\bf \mapsto \: Fe \: + \: \: CuSO _4 \longrightarrow \: FeSO _4 \: + \: Cu$

$\bf \mapsto \: Zn \: + \: FeSO _4 \longrightarrow \: ZnSO _4 \: + \: Fe$

$\bf \mapsto \:Ca \: + \: ZnSO _4 \longrightarrow \: CaSO _4 \: + \: Zn$