Question

with the help of reactivity series of metals explain the displacement reaction (with example) class 8​

Answer 1

Displacement order

A metal can only displace another metal from a compound if it is located above it in the reactivity series. A displacement reaction happens when a more reactive metal (one that forms positive ions more easily) displaces a less reactive metal from a compound.

Example:

Magnesium is more reactive than copper, so magnesium can displace copper from a copper sulfate solution to create magnesium sulfate.

Magnesium + copper sulfate → magnesium sulfate + copper

Mg(s) + CuSO4(aq) → MgSO4(aq) + Cu(s)

Platinum, however, is less reactive than copper and so cannot displace copper from a copper sulfate solution.

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