A) 4
B) 5
C) 6
D) 7
Correct Answer: B
Solution :
\[Mn=(25)=3{{d}^{5}}4{{s}^{2}}\] \[M{{n}^{2+}}=\] Five unpaired electrons are present in d subshell of\[M{{n}^{2+}}\].You need to login to perform this action.
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