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What is the difference between displacement and double displacement reactions? Write equations for these reactions.

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In displacement reaction, more reactive element displaces less reactive element from its compound. eg. Zinc is more reactive than copper and hence, it displaces copper from copper sulphate solution.

In double displacement reaction, two compounds exchange their ions and form two new compounds. eg. Silver nitrate and sodium chloride exchange  NO3- and Cl- ions between them to form silver chloride and sodium nitrate.

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  • DISPLACEMENT RECATION :

in this recation a more active element displaces or removes other element from a compound in solution .

FOR EXAMPLE :-

Iron + Copper Sulphate gives Iron Sulphate + Copper

  • DOUBLE DISPLACEMENT RECATION:-

Two compounods exchange their ions and one of the product formed is insoluble.

For example:-

  • Sodium Sulphate + Barium Chloride  gives  Barium Sulphate + Sodium Chloride

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