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.
