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Is it possible that Ni(CO4) has square planar geometry? Explain.

Is it possible that Ni(CO4) has square planar geometry? Explain.

Grade:12th pass

2 Answers

Arun
25750 Points
5 years ago
All of these 10 electrons are pushed into 3d orbitals and get paired up when strong field CO ligands approach Ni atom. The empty 4s and three 4p orbitals undergo sp3 hybridization and form bonds with COligands to give Ni(CO)4.Hence it can't have square planar geometry
nishant narkar
102 Points
5 years ago

Ni(CO)4 = Ni + 4CO

The valence shell electronic configuration of ground state Ni atom is 3d8 4s2
All of these 10 electrons are pushed into 3d orbitals and get paired up when strong field CO ligands approach Ni atom. The empty 4s and three 4p orbitals undergo sp3 hybridization and form bonds with CO ligands to give Ni(CO)4. Thus Ni(CO)4 is diamagnetic. 
thus according to VBT sp3 hybridization have tetrahedral geometry.

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