Displacement Reaction
Displacement Reaction
Displacement Reaction:
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)
(ii) Double Displacement Reaction
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.
In Neutralisation reaction acid reacts with a base to form salt and water and a lot of heat energy is given out. This reaction is : | |||
| Right Option : C | |||
| View Explanation | |||
The colour of copper sulphate solution changes when an iron nail is dipped in it. This is because of _____________________ | |||
| Right Option : C | |||
| View Explanation |
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 _________________ . | |||
| Right Option : C | |||
| View Explanation | |||
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