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Chemistry
Inorganic: Coordination Compounds
Which of the following complex has five unpaired electrons?
[Mn(H2O)6]2+
[Mn(CN)6]3-
[CrCl3(H2O)3]
[Ag(NH3)2]+
In [Mn(H2O)6]2+
x + 6(0) = 2
x = 2
25Mn : [Ar]4s23d5
Mn2+ : [Ar]3d5
It contains five unpaired electrons.