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Is [Ni(NH 3 ) 6 ]SO 4 paramagnetic or diamagnetic?? Is it inner orbital complex or outer one???? Pls explain with electronic confg.

Is  [Ni(NH3)6]SO4 paramagnetic or diamagnetic??
Is it inner orbital complex or outer one????
Pls explain with electronic confg.

Grade:12

1 Answers

Shramana Kar
112 Points
7 years ago
In this complex ion Ni2+ (3d8) shows the hybridization sp3d2(though NH3 is a strong field ligand d8 configuration never shows octahedral inner orbital complex) .One outer 4s, 3 outer 4p & 2 outer 4d hybridize to form 6 equivalent sp3d2 . So it is a outer orbital complex. As 3d8 configuration of Ni2+ ion remains after complexation it has 2 unpaired electrons in 3d orbital.So it shows paramagnetic property.

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