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Select the missing reagent in the reaction scheme shown below:

Select the missing reagent in the reaction scheme shown below:

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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**Reaction Scheme: Missing Reagent Identification** The image presents a chemical reaction scheme where the task is to determine the missing reagent necessary for the transformation. The scheme is structured as follows: 1. **Reactant**: A benzene molecule (represented as a hexagon with alternating double bonds). 2. **Reaction Arrow**: An arrow pointing towards the right, indicating the direction of the reaction process. 3. **Product**: The resulting compound features a benzene ring attached to a secondary carbon which is further connected to a tertiary butyl group, and has a ketone functional group (C=O) on the same carbon. 4. **Missing Reagent Box**: A blank rectangular box sits above the reaction arrow, symbolizing where the missing reagent should be placed. **Explanation**: The given transformation involves adding a tert-butyl ketone moiety to the benzene ring. This could be an example of a Friedel-Crafts acylation reaction. Typically, this transformation would require an acyl chloride (such as tert-butyl chloride) and a Lewis acid catalyst like aluminum chloride (AlCl₃) as the missing reagent. Understanding this reaction can help elucidate fundamental concepts in organic chemistry, such as electrophilic aromatic substitution and the role of catalysts in facilitating reaction pathways.
Transcribed Image Text:**Reaction Scheme: Missing Reagent Identification** The image presents a chemical reaction scheme where the task is to determine the missing reagent necessary for the transformation. The scheme is structured as follows: 1. **Reactant**: A benzene molecule (represented as a hexagon with alternating double bonds). 2. **Reaction Arrow**: An arrow pointing towards the right, indicating the direction of the reaction process. 3. **Product**: The resulting compound features a benzene ring attached to a secondary carbon which is further connected to a tertiary butyl group, and has a ketone functional group (C=O) on the same carbon. 4. **Missing Reagent Box**: A blank rectangular box sits above the reaction arrow, symbolizing where the missing reagent should be placed. **Explanation**: The given transformation involves adding a tert-butyl ketone moiety to the benzene ring. This could be an example of a Friedel-Crafts acylation reaction. Typically, this transformation would require an acyl chloride (such as tert-butyl chloride) and a Lewis acid catalyst like aluminum chloride (AlCl₃) as the missing reagent. Understanding this reaction can help elucidate fundamental concepts in organic chemistry, such as electrophilic aromatic substitution and the role of catalysts in facilitating reaction pathways.
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