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NTA Abhyas JEE Main2020ChemistryChemical Bonding and Molecular StructurePractice

The complex having square planar geometry is

Options

  1. A[Ni CO) 4  
  2. BM n C l 4 2 -
  3. CC u C l 4 2 -
  4. DC u N H 3 4 2 +

Correct answer

D. C u N H 3 4 2 +

Step-by-step solution

Complex O.S HBZ Geometry Unpaired ‘e’ Magnetic property N i C O 4 0 s p 3 Tetrahadral 0 Diamagnetic M n C l 4 2 - + 2 s p 3 Tetrahadral 5 Paramagnetic C u C l 4 2 - + 2 s p 3 Tetrahadral 1 Paramagnetic C u N H 3 4 2 + Shifting of e 3 d → 4 p + 2 s p 2 Square planar 1 Paraagnetic

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