Question

What is the difference between displacement and double displacement reactions? Write equations for these reactions.give two example NCERT Class 10th Science Chapter 1 Chemical Reactions and Equations

Answer 1

Displacement reaction: in which more reactive element displaces less reactive element from its aquous sol.
Ex: ZnSO4+Cu- CuSO4+Zn
Double displacement: in this reaction take place by exchange of ions
Ex: NaSO4+BaCl- NaCl+BaSO4

Answer 2

$<v><font color = red>$

In a displacement reaction, a more reactive element replaces a less reactive element from a compound.

For Example: CuSo4 (aq) + Zn (s) → ZnSO4 (aq) + Cu (s)

In a double displacement reaction, two atoms or a group of atoms switch places to form new compounds.

For Example: Na2SO4 (aq) + BaCl2 (aq) → BaSO4 (s) + 2NaCl (aq)