When an element displace another element from its compound, it is called displacement reaction.
This reaction is of two types:
(i) Single Displacement Reaction
It is a type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound is called single displacement.
(a) Zinc being more reactive than Cu, displaces Cu from solution and forms new product, zinc sulphate and Cu metal.
Zinc metal Copper sulphate Zinc sulphate solution Copper metal
(Grey) solution (Blue) (Colourless) (Brown)
(b) Similarly, iron displaces copper from aqueous solution of copper sulphate.
Iron metal Copper sulphate Ferrous sulphate Copper metal
(Blue) or
Iron (II) sulphate
(Green)
The reaction in which two different ions or group of atoms in the reactant molecules are displaced by each other, is called double displacement reaction.
Which of the following is an example of double displacement reaction? | |||
Right Option : C | |||
View Explanation |
Which of the following are correct : (a) When an element displaces another element from its compound, it is called displacement reaction. (b) Zinc being more reactive than Cu, displaces Cu from solution and forms new product, zinc sulphate and Cu metal. (c) The reaction in which two different ions or group of atoms in the reactant molecules are displaced by each other, is called double displacement reaction. | |||
Right Option : D | |||
View Explanation |
Which of the following are correct ? (a) When an element displace another element from its compound, it is called displacement reaction. (b) Chemical reaction where an element reacts with a compound and takes the place of another element in that compound is called double displacement.
| |||
Right Option : A | |||
View Explanation |
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