Coordination CompoundHard
Question
Nickel (Z = 28) combines with a uninegative monodentate ligand X- to form a paramagnetic complex [NiX4]2-. The number of unpaired electron(s) in the nickel and geometry of this complex ion are, respectively
Options
A.one, tetrahedral
B.two, tetrahedral
C.one, square planar
D.two, square planar
Solution
28Ni: ......3s2, 3p6, 3d8, 4s2
Ni2+: 3s2, 3p6, 3d8
Ni2+: 3s2, 3p6, 3d8
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