1.

Which of the following transition metal cation has maximum unpaired electrons [MP PET/PMT 1988; MP PMT 1991; RPMT 1997]

A. \[M{{n}^{+2}}\]
B. \[F{{e}^{+2}}\]
C. \[C{{o}^{2+}}\]
D. \[N{{i}^{2+}}\]
Answer» B. \[F{{e}^{+2}}\]


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