Question

What is the
is the different between displacement
and double displacement reaction ? write
equation for these reaction.

​

Answer 1

Single Displacement reaction

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

- In a displacement reaction, one displacement takes place.

A + BX → AX + B

- Change in colour takes place with no precipitate forms.

-Metals react with the salt solution of another metal

- Examples:

2KI + Cl2 → 2KCl + I2 is a displacement reaction.

CuSO4 + Zn → ZnSO4 + Cu is also a displacement reaction.

Double displacement reaction

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

-In a double displacement reaction, two displacements take place to complete the reaction.

AB + CD → AC + BD

-Precipitate is formed.

-Salt solutions of two different metals react with each other.

-Examples:

Na2SO4 + BaCl2 → BaSO4 + 2NaCl is a double displacement reaction.

2KBr + BaCl2 → 2KCl + BaBr2 is also a double displacement reaction.

Answer 2

Answer:

BTS

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In displacement reactions, a more reactive metal displaces a less reactive metal from its solution. For example,

In displacement reactions, a more reactive metal displaces a less reactive metal from its solution. For example,Fe(s) + CuSO4(aq) → Cu(s) + FeSO4(aq)

In displacement reactions, a more reactive metal displaces a less reactive metal from its solution. For example,Fe(s) + CuSO4(aq) → Cu(s) + FeSO4(aq)This is a displacement reaction where iron displaces copper from its solution.

In displacement reactions, a more reactive metal displaces a less reactive metal from its solution. For example,Fe(s) + CuSO4(aq) → Cu(s) + FeSO4(aq)This is a displacement reaction where iron displaces copper from its solution.In double displacement reactions, two reactants in solution exchange their ions. For example,

In displacement reactions, a more reactive metal displaces a less reactive metal from its solution. For example,Fe(s) + CuSO4(aq) → Cu(s) + FeSO4(aq)This is a displacement reaction where iron displaces copper from its solution.In double displacement reactions, two reactants in solution exchange their ions. For example,AgNO3(aq) + NaCl (aq) → AgCl(s) + NaNO3 (aq)

In displacement reactions, a more reactive metal displaces a less reactive metal from its solution. For example,Fe(s) + CuSO4(aq) → Cu(s) + FeSO4(aq)This is a displacement reaction where iron displaces copper from its solution.In double displacement reactions, two reactants in solution exchange their ions. For example,AgNO3(aq) + NaCl (aq) → AgCl(s) + NaNO3 (aq)This is a double displacement reaction where silver nitrate and sodium chloride exchange Cl– and NO3– ions between them.