What is the difference between displacement and double displacement reactions? Write equations for these reactions.
Answer:
Displacement Reaction:
In a displacement reaction, a more reactive element replaces a less reactive element from a compound. Here, element A is more reactive than element B.
Zn (zinc) + CuSO4 (copper sulfate) → ZnSO4 (zinc sulfate) + Cu (copper)
Substances Involved:
- Zinc (Zn)
- Copper sulfate (CuSO4)
- Zinc sulfate (ZnSO4)
- Copper (Cu)
Double Displacement Reaction:
In a double displacement reaction, two atoms or a group of atoms switch places to form new compounds.
NaCl (sodium chloride) + AgNO3 (silver nitrate) → NaNO3 (sodium nitrate) + AgCl (silver chloride)
Substances Involved:
- Sodium chloride (NaCl)
- Silver nitrate (AgNO3)
- Sodium nitrate (NaNO3)
- Silver chloride (AgCl)