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JEE Main20206 Sep 2020Morning ShiftChemistryCoordination CompoundsActual

The species that has a spin-only magnetic moment of 5 . 9 BM , is : ( T d = tetrahedral)

Options

  1. ANi ( CN ) 4 2 -  (square planar) 
  2. BNiCl 4 2 - T d
  3. CNi ( CO ) 4 T d
  4. DMnBr 4 2 - T d

Correct answer

D. MnBr 4 2 - T d

Step-by-step solution

Ni ( CO ) 4 3 d 10         n = 0 Ni ( CN ) 4 2 -    3 d 8    n = 0 NiCl 4 2 -    3 d 8    n = 2 MnBr 4 2 -    3 d 5       n = 5

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