Question

What is meant by a displacement reaction explain with an example?

Answer 1

Displacement reaction is  chemical reaction in which the more reactive element displaces a less reactive element from its compound. Both non-metals and metals undergoes displacement reaction.

example:   Here as X is more reactive it displaces less reactive Y from its        compound

         X + Y- Z --------> X-Z + Y

Answer 2

displacement reaction is a chemical reaction in which a more reactive element displaces another element from its oxidised or reduced form