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Of the following outer lectronic configu...

Of the following outer lectronic configurations fo atoms the highest oxdation state is achieved by wbhich one fo them :

A

`(n -1)d^5 ns^2`

B

`(n-1)d^8ns^2`

C

`(n-1)d^5 ns^1`

D

`(n-1)d^3 ns^2`

Text Solution

Verified by Experts

The correct Answer is:
A
For the elements of transition series in which (n–1)d subshell is not more than half-filled, the maximum oxidation state is equal to the sum of ns and (n–1)d electrons.
For the elements where (n–1)d shell is more than halffilled, the maximum oxidation state is not related to their electronic configuration.
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