Complex in which organic ligand is having only σ-bond with metal is:

Q8 · CSIR-NET Chemistry, June 2011

Paper: CSIR-NET June 2011 · Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Metal Carbonyls · Marks: 2 · Difficulty: Easy

Complex in which organic ligand is having only $\sigma$-bond with metal is:

(a)$\mathrm{W}\left(\mathrm{CH}_{3}\right)_{6}$

(b)$\left(\eta^{5}\text{-}\mathrm{C_5H_5}\right)_{2}\,\mathrm{Fe}$

(c)$\mathrm{K[PtCl_3(C_2H_2)]}$

(d)$\left(\eta^{6}\text{-}\mathrm{C_6H_6}\right)_{2}\,\mathrm{Ru}$

Answer

Answer: A ✓ checked by 4AB · confidence high

Explanation

W(CH₃)₆ has six methyl groups each bound by one σ bond. Ferrocene, Zeise's salt and (η⁶-C₆H₆)₂Ru all involve π-bonded ligands.

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