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

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

A

p-electrons in Cl (Z=17)

B

d-electrons in Fe (Z=26)

C

p-electrons in Ne (Z=10)

D

s-electrons in Mg (Z=12)

Text Solution

Verified by Experts

The correct Answer is:
A
`Fe^(+2)=3d^(6)4s^(0)` six d electrons [p-electrons in chlorine]
`(1s^(2)2s^(2)2p^(6)3s^(2)3p^(5))" are = 11"`
as p-electrons = 6+5=11
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