Another reagent that can be used to convert carboxylic acids into acid chlorides is phosphorus trichloride (PCI3), as shown in the scheme below. :0: :0: :ö: PCI2 HÖ 0-PCI2 H :O: + НОРС2 The mechanism, for the reaction, is shown above but the curved arrows and the formal charges, on the respective atoms, have been omitted. (a) Draw the missing curved arrows for each step (b) Supply any missing formal charges

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Organomagnesium compounds

The interaction of alkyl halide with Mg metal in a suitable ether solvent is the common method for the synthesis of the Grignard reagent.

Hydrolysis Grignard Reactions and Reduction

Organomagnesium halides are Grignard reagents. Francois Auguste Victor Grignard, a French chemist who received the Nobel Prize in Chemistry in 1912, created these highly useful reagents.