CBSE Class 10 Science 2023 Outside Delhi Set 1

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Question : 21
Total: 39
State whether the given chemical reaction is a redox reaction or not.
Justify your answer.
MnO2+4HClMnCl2+2H2O+Cl2
Solution:  
The given reaction is an example of an oxidation-reduction reaction or redox reaction.
If a substance gains oxygen or loses hydrogen during a reaction, it is oxidised. If a substance loses oxygen or gains hydrogen during a reaction, it is reduced. In the given reaction, HCl loses hydrogen to form Cl2. Thus, the given reaction is a redox reaction.
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