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CBSE - X - Chemistry

oxidation and reduction is occur together. Is it applicable to combation reaction to such as mg+o2=mgO in this reaction which one is oxidising agent and reducing agent

Asked by arifansari 7th September 2015, 6:50 PM
Answered by Expert


The given combination reaction is as follows:

2Mg + O2  → 2MgO

Oxidation state of Mg  and O2 is zero.

oxidation state of Mg is +2 and O is -2 in the product MgO

Thus Mg is oxidised to Mg+2 and for O2 is reduced to -2.

Hence, oxygen is oxidising agent and magnesium is reducing agent in the given combination reaction.

Answered by Expert 7th September 2015, 7:07 PM

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