1.

Spin only' magnetic moment of Ni in [Ni(dmg)_2] is same as that found in

Answer»

Ni in `[NiCl_2(PPh_3)_2]`
Mn in `[MnO_4]^(2-)`
Co in `[CoBr_4]^(2-)`
Pt in `[Pt (H_2O)_2 Br_2]`

SOLUTION :Ni`(dmg)_2` COMPLEX is a square PLANAR and dimagnetic.
`Pt(II)-5d^8` configuration .complex is square planar and THEREFORE, dimagnetic. So , `mu=0`


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