Question

What do u understand by a displacement reaction (chapter hydrogen)?

Answer 1

in this type of reaction on metal displaced other metal this is called displacement reaction

Answer 2

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Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound. Both metals and non-metals take part in displacement reactions.

Example : Reaction of iron nails with copper sulphate solution.



How is the chemical reactivity of metals linked with their position in the electrochemical series?

Chemical reactivity of metals is linked with their relative positions in the activity series. Certain metals have the capacity to displace some metals from the aqueous solutions of their salts.A metal placed higher in the activity series can displace the metal that occupies a lower position from the aqueous solution of its salt. The displacement reaction is not limited to metals only. Even non-metals can take part in these reactions.

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