1.

The mean pairing energy and octahedral field splitting energy of[Mn(CN)_]^(3-)are 28,800 cm ^(-1)and 38500cm ^(-1)respectively Whether this complex is stable in low spin or high spin?

Answer»

Solution :(i). The complex has octahedral shape.
(II). ` CN^(-) ` is strong -field LIGAND
(iii) The d-electronic configuration of Mn is `d^(5)`
(iv) The splitting energy is large ` therefore ` The complex is stable in LOW spin.


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