1.

Which of the following pair has maximum number of unpaired electrons?

Answer»

`MN^(2+), FE^(3 +)`
`Co^(3 +), Fe^(2 +)`
`Cr^(3 +), Mn^(4 +)`
`Ti^(2 +), V^(3 +)`

Solution :`Mn^(2+), Fe^(3 +)`


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