ABC26IN0228 · Organometallic Compounds

Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Metal Carbonyls · Exam: CSIR-NET JUNE 2011 · 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 (as printed): A

Explanation

$\mathrm{W(CH_3)_6}$ has 6 $\sigma$-bonds with the metal.