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M.vs vivek vardhan Grade: 12
        

what is thedifference between oxidation flame and reduction flame?

6 years ago

Answers : (1)

SAGAR SINGH - IIT DELHI
879 Points
										

Dear student,


The term oxidation was originally used to describe reactions in which an element combines with oxygen.


Example: The reaction between magnesium metal and oxygen to form magnesium oxide involves the oxidation of magnesium.


equation


The term reduction comes from the Latin stem meaning "to lead back." Anything that that leads back to magnesium metal therefore involves reduction.


The reaction between magnesium oxide and carbon at 2000C to form magnesium metal and carbon monoxide is an example of the reduction of magnesium oxide to magnesium metal.


equation


After electrons were discovered, chemists became convinced that oxidation-reduction reactions involved the transfer of electrons from one atom to another. From this perspective, the reaction between magnesium and oxygen is written as follows.


2 Mg + O2 ----> 2 [Mg2+][O2-]


In the course of this reaction, each magnesium atom loses two electrons to form an Mg2+ ion.


Mg ----> Mg2+ + 2 e-


And, each O2 molecule gains four electrons to form a pair of O2- ions.


O2 + 4 e- ----> 2 O2-


 











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Askiitians Expert


Sagar Singh


B.Tech, IIT Delhi










6 years ago
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