Which of the following are organometallic com | vedclass

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(B) An organometallic compound is a compound containing at least one chemical bond between a carbon atom of an organic molecule and a metal. $(1)$ Gri

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$1, 3$ and $4$

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(B) An organometallic compound is a compound containing at least one chemical bond between a carbon atom of an organic molecule and a metal. $(1)$ Grignard reagent $(R-Mg-X)$ contains a $C-Mg$ bond,so it is an organometallic compound. $(2)$ Sodium methoxide $(CH_3ONa)$ contains an $O-Na$ bond,not a $C-Na$ bond,so it is not an organometallic compound. $(3)$ Trimethylboron $(B(CH_3)_3)$ contains a $C-B$ bond. Boron is often considered a metalloid,and its compounds with organic groups are classified as organometallic. $(4)$ $Al_2(CH_3)_6$ (Trimethylaluminum dimer) contains $C-Al$ bonds,so it is an organometallic compound. Therefore,$(1), (3),$ and $(4)$ are organometallic compounds.

Which of the following are organometallic compounds? $(1)$ Grignard reagent $(2)$ Sodium methoxide $(3)$ Trimethylboron $(4)$ $Al_2(CH_3)_6$

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