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3MnO2(s)+4Al(s)3Mn(s)+2Al2O3(s)
In the above reaction, the oxidising agent is:


Options:
A .   MnO2
B .   Al
C .   Al2O3
D .   Mn
Answer: Option A
:
A
An oxidising agent is a chemical compound that undegoes reduction in a redox reaction.  In the given reaction, manganese dioxide is behaving as an oxidising agent as it is getting reduced to manganese.

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