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

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

A

Cr

B

Mn

C

Fe

D

Co

Text Solution

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The correct Answer is:
A
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