ABC26IN1492 · Organometallic Compounds
Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Metal Carbonyls · Exam: NET DEC 2019 · Marks: 2 · Difficulty: Hard
The correct order of metal-carbon distance is
(a)$\mathrm{Fe}\left(\eta^{5}-\mathrm{Cp}\right)_{2}>\mathrm{Co}\left(\eta^{5}-\mathrm{Cp}\right)_{2}>\mathrm{Ni}\left(\eta^{5}-\mathrm{Cp}\right)_{2}$
(b)$\mathrm{Fe}\left(\eta^{5}-\mathrm{Cp}\right)_{2}>\mathrm{Ni}\left(\eta^{5}-\mathrm{Cp}\right)_{2}>\mathrm{Co}\left(\eta^{5}-\mathrm{Cp}\right)_{2}$
(c)$\mathrm{Ni}\left(\eta^{5}-\mathrm{Cp}\right)_{2}>\mathrm{Fe}\left(\eta^{5}-\mathrm{Cp}\right)_{2}>\mathrm{Co}\left(\eta^{5}-\mathrm{Cp}\right)_{2}$
(d)$\mathrm{Ni}\left(\eta^{5}-\mathrm{Cp}\right)_{2}>\mathrm{Co}\left(\eta^{5}-\mathrm{Cp}\right)_{2}>\mathrm{Fe}\left(\eta^{5}-\mathrm{Cp}\right)_{2}$
Answer
Explanation
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