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The E (M^(3+)//M^(2+))^(@) values for C...

The `E _(M^(3+)//M^(2+))^(@)` values for Cr, Mn, Fe and Co are ` -0.41, + 1.57 , + 0.77` and `+1.97 V` respectively. For which one of these metals the change in oxidation state from ` =2 ` to ` 3` is easiest :

A

Fe

B

Mn

C

Cr

D

Co

Text Solution

Verified by Experts

The correct Answer is:
C
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