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in Basic Concepts of Chemistry and Chemical Calculations by (44.9k points)
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What is displacement reactions? Give its types. Explain with example.

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The reactions in which one ion or atom in a compound is replaced (or substituted) by an ion or atom of the other element are called displacement reactions. 

AB + C → AC + B

Example: 

Metal displacement 

CuSO4 + Zn → ZnSO4 + Cu 

Example: 

Non-metal displacement 

2KBr + Cl2 → 2KCl + Br2

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