A) 2
B) 3
C) 4
D) 1
Correct Answer: B
Solution :
Electronic configuration of \[_{27}Co\]- \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}3{{d}^{7}}4{{s}^{2}}\], hence unpaired \[{{e}^{-}}\]= 3You need to login to perform this action.
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