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Question: The number of unpaired electrons in the \(Fe^{2 +}\) ion is...

The number of unpaired electrons in the Fe2+Fe^{2 +} ion is

A

0

B

4

C

6

D

3

Answer

4

Explanation

Solution

Four unpaired electron are present in the Fe2+Fe^{2 +} ion Fe262+=[Ar]3d6,4s0Fe_{26}^{2 +} = \lbrack Ar\rbrack 3d^{6},4s^{0}