Which of the following is not considered as an organometallic compound?

Organometallic compounds are those compounds in which an atom is directly linked to metal that is it contains metal-carbon bonds. Here, Cis-platin is [Pt(NH₃)₂Cl₂] and doesn’t contain and metal-carbon bond and therefore is not an Organometallic compound. Ferrocene is an 27 COORDINATION COMPOUNDS organometallic compound with formula Fe(C₅H₅)₂. Zeise’s salt is also an organometallic compound having structural formula K[PtCl₃(C₂H₄)].H₂O And Grignard agent RMgX, is also an organometallic compound where R is any alkyl group. Hence, option (a) is the correct answer