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NEET2018ChemistryCoordination CompoundsActual

What are the geometry and magnetic behaviors of the complex Ni CO 4 ?

Options

  1. ASquare planar geometry and paramagnetic.
  2. BTetrahedral geometry and diamagnetic.
  3. CSquare planar geometry and diamagnetic.
  4. DTetrahedral geometry and paramagnetic.

Correct answer

B. Tetrahedral geometry and diamagnetic.

Step-by-step solution

Electronic configuration of: Ni → 3 d 8   4 s 2 CO is strong field ligand so unpaired electrons will get paired. sp 3 hybridisation Tetrahedral, diamagnetic.

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