difference between single displacement reaction and double displacement reaction plz.. don't copy from Google.
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this is not from Google
my teacher gives me this note
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Single Displacement reaction :
1) In a displacement reaction, a more reactive element replaces a less reactive element from a compound.
2) In a displacement reaction, one displacement takes place.
A + BX → AX + B
3) Change in color takes place with no precipitate forms.
4) Metals react with the salt solution of another metal.
5) Examples:
- 2KI + Cl2 → 2KCl + I2 is a displacement reaction.
- CuSO4 + Zn → ZnSO4 + Cu is also a displacement
Double Displacement reactions :
1) In a double displacement reaction, two atoms or a group of atoms switch places to form new compounds.
2) In a double displacement reaction, two displacements take place to complete the reaction.
AB + CD → AC + BD
3) Precipitate is formed.
4) Salt solutions of two different metals react with each other.
5) Examples:
- Na2SO4 + BaCl2 → BaSO4 + 2NaCl is a double displacement reaction.
- 2KBr + BaCl2 → 2KCl + BaBr2 is also a double displacement reaction.
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