ABC26IN0655 · Coordination Chemistry

Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Coordination Compounds – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Medium

The transition metal complexe(s) with zero magnetic moment, zero dipole moment and CFSE of $2.4 \Delta_{0}$ is (are)
(a)$\left[\mathrm{Mn}(\mathrm{CO})_{5}\left(\mathrm{CH}_{3}\right)\right]$
(b)$\left[\right.$ trans $\left.-\mathrm{Ni}(\text { ethylene diamine })_{2} \mathrm{Cl}_{2}\right]$
(c)$\left[\text { trans }-\mathrm{Co}(\mathrm{CN})_{4}\left(\mathrm{H}_{2} \mathrm{O}\right)_{2}\right]^{-}$
(d)$\left[\text { trans }-\mathrm{Fe}(\mathrm{CN})_{4} \mathrm{Cl}_{2}\right]^{4-}$
Answer
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Explanation
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