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Which of the following has maximum numbe...

Which of the following has maximum number of unpaired electrons ?

A

`Mg^(2+)`

B

`Ti^(3+)`

C

`V^(3+)`

D

`Fe^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Mg^(2+) : 1s^(2)2s^(2)2p^(6), Ti^(3+) = [Ar]`,
`V^(3+) = [Ar] 3d^(1) " "Fe^(2+) : [Ar] 3d^(6)`
`therefore " "Fe^(2+)` has maximum number of upaired electrons i.e. 4
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