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Explain the hybridization, geometry and magnetic property of [Co(NH_3)_6]^(3+)ion on the basis of Valance Bond Theory (VBT). [Atomic number of Co= 27]. |
Answer» Solution :(i) Orbitals of N`i^(+2)` ion  (ii) In presence of strong ligand CN’ spin pairing takes place and `dsp^(2)` hybridisation takes place. `dsp_(2)` hybridised ORBITAL of `Co_(3)`.  (iii) Four pairs of ELECTRONS, one from each CN“ occupy the four hybrid orbitals. Thus the complex has square planar geometry and DIAMAGNETIC because of the absence of unpaired electrons.  `[Ni(CN)J^(2)]` Complex orbitals For `[Ni(CN)_(4)J^(2)]` Complex, (i) Type of hybridisation : `dsp^(2)` (ii) Geometry : Square planar (iii) Magnetic property : Diamagnetic. |
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