A) \[[Ar]4{{d}^{4}}4{{s}^{2}}\]
B) \[[Ar]3{{d}^{5}}4{{s}^{1}}\]
C) \[[Ar]3{{d}^{4}}3{{s}^{2}}\]
D) \[[Ar]4{{d}^{5}}4{{s}^{1}}\]
Correct Answer: B
Solution :
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