What is P in the following reaction? | vedclass

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(B) The reaction of a Grignard reagent $(C_6H_5MgBr)$ with carbon dioxide $(CO_2)$ followed by acid hydrolysis $(H_3O^+)$ is a standard method for the

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Benzoic acid

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(B) The reaction of a Grignard reagent $(C_6H_5MgBr)$ with carbon dioxide $(CO_2)$ followed by acid hydrolysis $(H_3O^+)$ is a standard method for the preparation of carboxylic acids. The reaction proceeds as follows: $C_6H_5MgBr + CO_2 \rightarrow C_6H_5COOMgBr$ $C_6H_5COOMgBr + H_3O^+ \rightarrow C_6H_5COOH + Mg(OH)Br$ Thus,the product $P$ is benzoic acid $(C_6H_5COOH)$.

What is $P$ in the following reaction?

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