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Br 1.Mg, Etz0 2. СO2 3. Но он OH Он A B D

Br 1.Mg, Etz0 2. СO2 3. Но он OH Он A B D

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Product is B, please show mechanism

The image depicts a chemical reaction involving a starting compound and potential products A, B, C, and D. The starting material is a bromobenzene derivative with a methyl group attached to the benzene ring. The reaction sequence involves three steps: 1. **Reaction with Magnesium (Mg) in Diethyl Ether (Et₂O):** - This step likely forms a Grignard reagent with the magnesium metal. 2. **Addition of Carbon Dioxide (CO₂):** - The Grignard reagent is treated with CO₂, likely resulting in a carboxylation reaction. 3. **Protonation with an Acid (H₃O⁺):** - An acid work-up step to form the final product. The image shows potential products (A, B, C, D) as follows: - **A**: Contains a benzene ring with a hydroxymethyl group attached. - **B**: Contains a benzene ring with a carboxylic acid (benzoic acid) group attached. - **C**: Contains a benzene ring with an acyl group and a methyl group attached. - **D**: Contains a benzene ring with a hydroxymethyl group in a different position compared to A. The correct product based on the reaction is compound **B**, consistent with the expected outcome of a Grignard reaction with CO₂, resulting in a carboxylic acid.
Transcribed Image Text:The image depicts a chemical reaction involving a starting compound and potential products A, B, C, and D. The starting material is a bromobenzene derivative with a methyl group attached to the benzene ring. The reaction sequence involves three steps: 1. **Reaction with Magnesium (Mg) in Diethyl Ether (Et₂O):** - This step likely forms a Grignard reagent with the magnesium metal. 2. **Addition of Carbon Dioxide (CO₂):** - The Grignard reagent is treated with CO₂, likely resulting in a carboxylation reaction. 3. **Protonation with an Acid (H₃O⁺):** - An acid work-up step to form the final product. The image shows potential products (A, B, C, D) as follows: - **A**: Contains a benzene ring with a hydroxymethyl group attached. - **B**: Contains a benzene ring with a carboxylic acid (benzoic acid) group attached. - **C**: Contains a benzene ring with an acyl group and a methyl group attached. - **D**: Contains a benzene ring with a hydroxymethyl group in a different position compared to A. The correct product based on the reaction is compound **B**, consistent with the expected outcome of a Grignard reaction with CO₂, resulting in a carboxylic acid.
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