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)]^(-)`
Co in `[CoBr_(4)]^(2-)`
PT in `[Pt(H_(2)O)_(2)Br_(2)`

Solution :`[overset(+2)NI(DMG)_(2)] implies d^(8)" config".(dsp^(2))'O' u.p.`` E^(-)`.
`{MnO_(4)^(-),[Pt(H_(2)O)_(2)Br_(2)]" are diamagetic"}`


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