Atomic Structure Question 295

Question: Electronic configuration of ferric ion is [RPET 2000]

Options:

A) $ [Ar],3d^{5} $

B) $ [Ar],3d^{7} $

C) $ [Ar],3d^{3} $

D) $ [Ar],3d^{8} $

Show Answer

Answer:

Correct Answer: A

Solution:

$ Fe_{26}=[Ar],3d^{6}4s^{2} $

$ F{e^{3+}}=[Ar],3d^{5}4s^{0}. $



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