1.

Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one of them?

Answer»

`(n-1)d^(3)NS^(2)`
`(n-1)d^(5)ns^(1)`
`(n-1)d^(8)ns^(2)`
`(n-1)d^(5)ns^(2)`

SOLUTION :`(n-1)d^(5)ns^(2)` attains the maximum O.S. of +7.


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