ABC26IN0767 · Organometallic Compounds

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

The complex which does NOT obey 18 - electron rule is (atomic number for $\mathrm{Mn}=25, \mathrm{Fe}=26, \mathrm{Co}=27, \mathrm{Ru}=44$ )
(a)$\left[\mathrm{Co}_{2}(\mathrm{CO})_{8}\right]$
(b)$\left[\mathrm{Fe}(\mathrm{CO})_{4}\right]^{2-}$
(c)$\left[\mathrm{HMn}(\mathrm{CO})_{5}\right]$
(d)$\left[\left(\eta^{5}-\mathrm{C}_{5} \mathrm{H}_{5}\right) \mathrm{RuCl}(\mathrm{CO})\left(\mathrm{PPh}_{2}\right)\right]$
Answer
Answer (as printed): D
Explanation
No explanation was printed for this question.

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