Name the following
The substance getting oxidized and the one getting reduced in the given
equation:
3 MnO2 + 4AI 3 Mn + 2A1203
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TOPIC :- REDOX REACTION
CONCEPT
- Addition of electronegative element like oxygen is oxidation.
- Addition of hydrogen is reduction.
- Removal of electronegative element is reduction.
- Removal of hydrogen is oxidation
- One whose reduction takes place is called oxidising agent.
- one whose oxidation takes place is called reducing agent.
ANSWER
In the reaction :- 3MnO2 + 4Al ---> 3 Mn + 2Al2O3
- MnO2 is reduced as it oxygen is removed.It is reduced to Mn.
- Al is oxidised to Al2O3.
- MnO2 is oxidising agent.
- Al is reducing agent.
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