What is called redox reaction (or oxidation - reduction reactions… - Vidyadip

Question

What is called redox reaction (or oxidation - reduction reactions)? Explain it with suitable examples.

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Answer

A reaction in which one reactant gets oxidised and the other reactant gets reduced, then such reaction is called redox reaction (or oxidation - reduction reactions).
OR
A reaction in which both oxidation and reduction reactions occur simultaneously is called redox reaction (or oxidation - reduction reactions).

In above reactions, $CuO , ZnO$ and $MnO _2$ are reduced to $Cu , Zn$ and $MnCl _2$ respectively while $H _2, C$ and HCl are oxidised to $H _2 O , CO$ and $Cl _2$ respectively.
Similarly, rusting of iron (corrosion) is also a redox reaction.

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