differentiate between displacement and double displacement reaction.
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10th
Chemistry
Chemical Reactions and Equations
Types of chemical reactions
What is the difference betw...
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What is the difference between displacement and double displacement reactions? Write equations for these reactions?
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Displacement reaction:
Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound.
Zn+2HCl⟶ZnCl
Zn+2HCl⟶ZnCl 2
Zn+2HCl⟶ZnCl 2
Zn+2HCl⟶ZnCl 2 +H
Zn+2HCl⟶ZnCl 2 +H 2
Double displacement reaction:
A type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products is called double displacement reactions.
MgCl
2
+2KOH⟶Mg(OH)
2
+2KCl
Answer:
In a displacement reaction, a more reactive element replaces a less reactive element from a compound. In a double displacement reaction, two atoms or a group of atoms switch places to form new compounds.
1) A displacement reaction is the one wherein the atom or a set of atoms is displaced by another atom in a molecule. For instance, when iron is added to a copper sulphate solution, it displaces the copper metal. A + B-C → A-C + B. The above equation exists when A is more reactive than B.
2) A double-replacement reaction is a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds. The general form of a double-replacement (also called double-displacement) reaction is: AB+CD→AD+BC.
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