D-And F-Block Elements Ques 500

Question: The element with which of the following outer electron configuration may exhibit the largest number of oxidation states in its compounds:

Options:

A) $ 3d^{5}4s^{2} $

B) $ 3d^{8}4s^{2} $

C) $ 3d^{7}4s^{2} $

D) $ 3d^{6}4s^{2} $

Show Answer

Answer:

Correct Answer: A

Solution:

The element with outer electron configuration $ 3d^{5}4s^{2} $ is Mn which exhibits oxidation states from + 2 to + 7.



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