Coordination Compounds - Result Question 67

####74. Which statement is incorrect?

[2001]

(a) [Ni(CO)4] Tetrahedral, paramagnetic

(b) [Ni(CN)4]2 - Square planar, diamagnetic

(c) [Ni(CO)4] Tetrahedral, diamagnetic

(d) [NiCl4]2 - Tetrahedral, paramagnetic

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Solution:

  1. (a) (CO) carbonyl group being a strong ligand paired all electrons present in d orbital of Ni.

In [Ni(CO)4] complex, Ni will have 3d10 configuration. It has tetrahedral geometry but diamagnetic as there are no unpaired electrons.



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