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Bromobenzene to benzoic acid

Question

Bromobenzene to benzoic acid

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Solution

To convert Bromobenzene to Benzoic acid, you can follow these steps:

  1. Bromobenzene to Phenyl Magnesium Bromide (Grignard Reagent): The first step is to form a Grignard reagent. This is done by reacting Bromobenzene with Magnesium in the presence of dry ether. The reaction is as follows: C6H5Br + Mg → C6H5MgBr

  2. Phenyl Magnesium Bromide to Benzoic Acid: The Grignard reagent (Phenyl Magnesium Bromide) is then reacted with dry ice (solid CO2) followed by acid hydrolysis to yield Benzoic Acid. The reaction is as follows: C6H5MgBr + CO2 → C6H5COOMgBr C6H5COOMgBr + H2O → C6H5COOH + Mg(OH)Br

Please note that all these reactions should be carried out under anhydrous conditions because Grignard reagents react with water to give hydrocarbons.

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