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For the four successive transition eleme...

For the four successive transition elements (Cr, Mn, Fe, and Co), the stability of `+2` oxidation state will be there in which of the following order ?
`(At. Nos. Cr = 24, Mn = 25, Fe = 26, Co = 27)`

A

Cr gt Mn gt Co gt Fe

B

Mn gt Fe gt Cr gt Co

C

Fe gt Mn gt Co gt Cr

D

Co gt Mn gt Fe gt Cr

Text Solution

Verified by Experts

The correct Answer is:
B
On the basis of electrode potentials, the correct order is `Mn gt Fe gt Cr gt Co`.
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