Question

Q13. What is the difference between displacement and double displacement reactions?
Write equations for these reactions.
Ans. In displacement reaction more reactive metal can displace a less reactive metal from
its salt solution.
e.g., Zn(s) + CuCl2(aq) → ZnCl2(aq) + Cu(s)
In double displacement reaction, two different compounds exchange their ions and
form new compounds.
e.g., NaOH + HCl- NaCl + H2O​

Answer 1

Answer:

displacement is the shortest distance measured

Explanation:

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Answer 2

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)