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The number of d-electron in Fe^(2+) (Z=2...

The number of d-electron in `Fe^(2+) (Z=26)` is not equal to the number of electron in which one of the following?

A

d-electron in Fe (Z=26)

B

p-electron in Ne (Z=10)

C

s-electron in Mg(Z=12)

D

p-electrons in Cl(Z=17)

Text Solution

Verified by Experts

The correct Answer is:
D
`Fe^(2+)` ion has six 3d electrons. D-electron in Fe(Z=26)=6
p-electrons in Ne(Z=10)=6
s-electrons in Mg in Mg(Z=12)=6
p-electrons in Cl(Z=17)=11
d is the correct answer
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