What is the displacement reaction?

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A metal replaces non-metal

In which a more reactive element displaces a less reactive element from its compound.

Both A and B

None of the above

answer is B.

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Detailed Solution

Concept- A single relegation response which is also called a single relief response is a kind of oxidation- reduction chemical response when an ion or element moves out of an emulsion, i.e., one element is replaced by the other in an emulsion.
When chlorine is added in its gassy form( or as a gas dissolved in water) to the result of sodium platitude, the chlorine acquires the place of bromine. Since chlorine is more reactive than bromine, it displaces bromine from sodium platitude, and the results turn blue. The brown colour is the bromine that's displaced.However, you can see that the Cl and Br have shifted their original places, If you notice the equation.
Displacement reaction is a reaction in an element which is more reactive will displace the other element which is less reactive in nature. Elements can be both metals or nonmetals in nature.Chemical reactions known as displacement reactions occur when a more reactive element removes a less reactive element from a molecule.
Hence, the correct option is 2.

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