The value of the crystal field stabilization energies for a high spin d6 metal ion in octahedral and tetrahedral fields, respectively, are: (A) – 2.40 and –0.6t (B) – 1.60 and –0.4t (C) – 0.40 and –0.

Question

The value of the crystal field stabilization energies for a high spin d6 metal ion in octahedral and tetrahedral fields, respectively, are:

(A) – 2.40 and –0.6t
(B) – 1.60 and –0.4t
(C) – 0.40 and –0.27t
(D) – 0.40 and –0.6t

Prashant Kotian · Accepted Answer

Correct answer: D. For d6 configuration, high spin (i) In case of octahedral complex t2g2,1,1, eg1,1 CFSE = [–0.4nt2g + 0.6neg]0 + n(P) = [–0.4 × 4 + 0.6 × 2]0 + 0 = –0.40 (i) In case of tetrahedral complex e2,1, t21,1,1 CFSE = [–0.6ne + 0.4nt2]t = [–0.6 × 3 + 0.4 × 3]t = –0.6t

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