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Write the electronic configuration of Fe...

Write the electronic configuration of `Fe^(3+)` and report the number of unpaired electrons in it.

A

0

B

2

C

3

D

5

Text Solution

Verified by Experts

The correct Answer is:
D
`Fe(Z = 26) : [Ar]^(18) 3d^(6) 4s^(2)`
`Fe^(3+) : [Ar]^(18) 3d^(5)`
Hence number of unpaired electron = 5
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