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Which among the following compounds qualifies as an organometallic compound?

1. Grignard reagent
2. Zeise's salt
3. Methyl lithium
4. All of the above

Correct answer: All of the above

Solution

Grignard reagent (RMgX), Zeise's salt (K[PtCl3(C2H4)]), and methyl lithium (CH3Li) all contain direct metal-carbon bonds, satisfying the definition of organometallic compounds.

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