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Which of the following does not have val...

Which of the following does not have valence electron in 3d-subshell?

A

Fe (III)

B

Cr(I)

C

Mn(II)

D

P(0)

Text Solution

Verified by Experts

The correct Answer is:
D
Phosphorus (P) has electronic configuration `1 s^(2),2s^(2),2p^(6),3s^(2),3p^(3)`
Therefore , no valence electron is present in the 3d-subshell.
Fe (III) has electronic configuration :
`3d^(5)4s^(0)`
`Cr(I)=3d^(5)4s^(0)`
`Mn(II)=3d^(5)4s^(0)`
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