STANDARDChemistry-Coordination Compounds
STANDARD Chemistry Crystal Field Theory MCQ Question
Type: MCQ-conceptual-Medium-Class 12
What are the correct oxidation state, coordination number, configuration, magnetic character and magnetic moment of K₄[Mn(CN)₆]?
A
O.S. : +6 C.N. : 6 Configuration : t₂₂g Magnetic character : Diamagnetic Magnetic Moment : 0
B
O.S. : +4 C.N. : 6 Configuration : t₄₂g e₁g Magnetic character : Paramagnetic Magnetic Moment : 1.732 B. M.
C
O.S. : +2 C.N. : 6 Configuration : t₂₂g Magnetic character : Paramagnetic Magnetic Moment : 1.732 B. M.
D
O.S. : +4 C.N. : 6 Configuration : t₃₂g e₂g Magnetic character : Diamagnetic Magnetic Moment : 0
Correct Answer
Option C
Detailed Explanation
In K₄[Mn(CN)₆], Mn is in +2 oxidation state. The coordination number is 6, and the configuration is t₂₂g. The complex is paramagnetic with a magnetic moment of 1.732 B. M.
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