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Grade: 11
        
Select The Pair Of Oxidation Processes
a) 2Cu^2+ → Cu2^2+
b) MnO4^- → Mn^2+
c) [Fe(CN)6]^-4 → [Fe(CN)6]^-3
d) 2I^- → I2
8 months ago

Answers : (2)

Arun
24470 Points
							
Dear student
 
in option C, Fe changes from +2 to + 3 oxidation state hence it is an oxidation.
in option D, I changes from -1 to 0 hence it is also an oxidation
8 months ago
Vikas TU
11138 Points
							
Dear student 
You can check the element is oxidised or not by following :
Assign oxidation numbers to all atoms in the equation.
Compare oxidation numbers from the reactant side to the product side of the equation. ...
The element oxidized is the one whose oxidation number increased.
The element reduced is the one whose oxidation number decreased.
Rest ans is given by my friend.
Good Luck 
Cheers 
8 months ago
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