DISPLACEMENT REACTION OF METALS AND REACTIVITY SERIES

 DISPLACEMENT REACTION

Reaction in which a highly reactive element displaces less reactive metal from solutions

Metal A + salt solution of metal B--->  metal B + salt solution of metal A

Eg:-1. iron + copper sulphate --->copper + iron sulphate (Blue colour of copper sulphate becomes light green because iron sulphate is produced )

2.copper sulphate +zinc ---> zinc sulphate + copper (blue color of copper sulphate faded because of the production of zinc sulphate(colorless ))

3. zinc sulphate + copper --->no reaction takes place because copper is less reactive than zinc

4. iron sulphate + copper --->no reaction takes place because copper is less reactive than iron

REACTIVITY SERIES

 Reactivity serious is an arrangement of metals in the decreasing order of reactivity