ABC26IN0100 · Coordination Chemistry

Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Electron Transfer Redox · Exam: CSIR-NET 2013 · Marks: 2 · Difficulty: Medium

An octahedral metal ion $\mathrm{M}^{2+}$ has magnetic moment of 4.0 B.M. The correct combination of metal ion and d-electron configuration is given by
(a)$\mathrm{Co}^{2+}, \mathrm{t}_{2g}^{5} \mathrm{e}_{g}^{2}$
(b)$\mathrm{Cr}^{2+}, \mathrm{t}_{2g}^{4} \mathrm{e}_{g}^{2}$
(c)$\mathrm{Mn}^{2+}, \mathrm{t}_{2g}^{3} \mathrm{e}_{g}^{1}$
(d)$\mathrm{Fe}^{2+}, \mathrm{t}_{2g}^{4} \mathrm{e}_{g}^{2}$
Answer
Answer (as printed): A
Explanation
No explanation was printed for this question.

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