. Give the name, the stereochemistry and the magnetic behaviour of the following complexes


Give the name, the stereochemistry and the magnetic behaviour of the following complexes

(i) [Co (NH3 )5 Cl]Cl2 

(ii) K2 [Ni (CN)4 ]

Best Answer

(i) [Co(NH3 )5Cll ]Cl2 : Pentaamminechlorido cobalt (III) chloride

    Co(III): [Ar] 3d6 4so —d2 sp3 hybridisation leads to octahedral shape.

    Magnetic behaviour: Diamagnetic

(ii) K2 [Ni(CN)4 ]: Potassium tetracyano nickelate (II)

     Ni(II): [Ar] 3d8 4s° —dsp2 hybridisation leads to square planar shape.

     Magnetic behaviour: Diamagnetic.

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