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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![**Question:**
Predict the major product. Either describe or upload an image.
**Chemical Structure Provided:**
A reaction is depicted where a benzene ring is attached to a three-carbon chain terminating in a chlorine atom with lone pairs (represented by ":Cl:"). Above the reaction arrow is "AlCl3".
**Explanation:**
The provided image showcases a typical Friedel-Crafts alkylation reaction. Benzene reacts with a halomethane in the presence of aluminum chloride (AlCl3) to form an alkylbenzene.
The starting material is 1-chloro-2-phenylbutane.
- **Reactants**:
- Benzene ring attached to a three-carbon chain terminating with a chlorine atom at the end (1-chloro-2-phenylbutane).
- AlCl3 (aluminum chloride).
- **Expected Reaction Mechanism**:
1. The chlorine atom on the halomethane reacts with AlCl3 to generate a carbocation (a positively charged carbon species) and AlCl4^-.
2. The benzene ring then undergoes electrophilic aromatic substitution where it interacts with the carbocation, leading to the formation of an alkyl-substituted benzene.
**Predicted Major Product:**
The major product in this reaction will likely be 1-phenylbutane, where the carbocation (formed after the chlorine leaves the 1-chloro-2-phenylbutane) attaches itself to the benzene ring. However, rearrangements can occur depending on the stability of the carbocations formed during the reaction.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fef4f72d3-80ca-49e0-beb6-c5f7f04e690f%2F0e639a2d-e9c3-4675-ae8d-8d499d06f17a%2Fitaxzh9_processed.png&w=3840&q=75)
Transcribed Image Text:**Question:**
Predict the major product. Either describe or upload an image.
**Chemical Structure Provided:**
A reaction is depicted where a benzene ring is attached to a three-carbon chain terminating in a chlorine atom with lone pairs (represented by ":Cl:"). Above the reaction arrow is "AlCl3".
**Explanation:**
The provided image showcases a typical Friedel-Crafts alkylation reaction. Benzene reacts with a halomethane in the presence of aluminum chloride (AlCl3) to form an alkylbenzene.
The starting material is 1-chloro-2-phenylbutane.
- **Reactants**:
- Benzene ring attached to a three-carbon chain terminating with a chlorine atom at the end (1-chloro-2-phenylbutane).
- AlCl3 (aluminum chloride).
- **Expected Reaction Mechanism**:
1. The chlorine atom on the halomethane reacts with AlCl3 to generate a carbocation (a positively charged carbon species) and AlCl4^-.
2. The benzene ring then undergoes electrophilic aromatic substitution where it interacts with the carbocation, leading to the formation of an alkyl-substituted benzene.
**Predicted Major Product:**
The major product in this reaction will likely be 1-phenylbutane, where the carbocation (formed after the chlorine leaves the 1-chloro-2-phenylbutane) attaches itself to the benzene ring. However, rearrangements can occur depending on the stability of the carbocations formed during the reaction.
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