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The largest oxidation number exhibited by an element depends on its outer electronic configuration. With which of the following outer electronic configurations the element will exhibit largest oxidation number?

(i) 3d^1 4s^2
(ii) 3d^3 4s^2
(iii) 3d^5 4s^1
(iv) 3d^5 4s^2


Answers (1)

The answer is the option (iv) 3d^5 4s^2

Explanation: the above arrangement will exhibit the largest oxidation number since total no. of electrons present in d and s subshell = 7.

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