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Solution


Q.

An example of a sigma bonded organometallic compound is              [2017]
1 Grignard’s reagent  
2 ferrocene  
3 cobaltocene  
4 ruthenocene  

Ans.

(1)

In sigma bonded organometallic complexes, the metal atom and carbon atom of the ligand are joined together with a sigma bond, i.e., ligand contributes one electron and is therefore, called one electron donor, e.g., Grignard’s reagent R–Mg–X.