Question

How can we differentiate between displacement and double displacement reactions.

Answer 1

In displacement reaction , one element from its salt is displaced by a more reactive element e.g. in following examples Cu is displaced by Zn from CuSO⁴ because Zn is more reactive . In double displacement reaction , exchange of Ions takes place between two reactants to form new products .

Answer 2

Hi Friend


Distinction between displacement and doible displacement reaction.


DISPLACEMENT

-Only one atom is displaced.

- There is one compound used in the reaction while other is metal.

E.g. Zn. + 2HCl --------> ZnCl2 + H2



DOUBLE DISPLACEMENT

- Two atoms are exchanged by each other.

-- There are two compounds used in the reaction.

E.g.

ZnCl2. + CuSO4 ---> ZnSO4. + CuCl2


☆ Hope it helps