1.

Which of the followng has maximum number of unpaired electrons?

Answer»

`Mg^(2+)`
`TI^(3+)`
`V^(3+)`
`FE^(2+)`

Solution :`Mg^(2+)` (0 UNPAIRED ELECTRON)
`Ti^(3+)` (1 unpaired electron)
`V^(3+)`(2 unpaired electrons)
`Fe^(2+)` (4 unpaired electrons)


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