Predict the major product for the following reaction Br2/AIBr3 -CH2 Br -Br II Br C-CH2 -CH2 Br II IV C-CH2 Br V

Chemistry
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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 2**

Predict the major product for the following reaction:

Reagent: \( \text{Br}_2/\text{AlBr}_3 \)

Reactant: \( \text{Benzoylacetate} \) with a phenyl group, forming an acyl group:

1. Structure: A benzene ring attached to a -CO-CH\(_2\) group.

Potential Products:

**I.**  
- Structure: Benzene ring with a bromine attached to the para position of the acyl group.

**II.**  
- Structure: Benzene ring with a bromine attached to the ortho position of the acyl group.

**III.**  
- Structure: Benzene ring with a bromine attached at an alternate para position from the acyl group.

**IV.**  
- Structure: Benzene ring with a bromine attached to the meta position of the acyl group.

**V.**  
- Structure: Benzene ring with a bromine attached at an alternate ortho position from the acyl group.

Options for the major product:

- ○ I
- ○ II
- ○ III
- ○ IV
- ○ V

**Explanation of Diagram:**

The question involves predicting the major product in an electrophilic aromatic substitution reaction where bromination occurs on the aromatic ring. The use of Br\(_2\)/AlBr\(_3\) serves as a brominating agent. The positions labeled I-V refer to different possible positions for bromination on the benzene ring.
Transcribed Image Text:**Question 2** Predict the major product for the following reaction: Reagent: \( \text{Br}_2/\text{AlBr}_3 \) Reactant: \( \text{Benzoylacetate} \) with a phenyl group, forming an acyl group: 1. Structure: A benzene ring attached to a -CO-CH\(_2\) group. Potential Products: **I.** - Structure: Benzene ring with a bromine attached to the para position of the acyl group. **II.** - Structure: Benzene ring with a bromine attached to the ortho position of the acyl group. **III.** - Structure: Benzene ring with a bromine attached at an alternate para position from the acyl group. **IV.** - Structure: Benzene ring with a bromine attached to the meta position of the acyl group. **V.** - Structure: Benzene ring with a bromine attached at an alternate ortho position from the acyl group. Options for the major product: - ○ I - ○ II - ○ III - ○ IV - ○ V **Explanation of Diagram:** The question involves predicting the major product in an electrophilic aromatic substitution reaction where bromination occurs on the aromatic ring. The use of Br\(_2\)/AlBr\(_3\) serves as a brominating agent. The positions labeled I-V refer to different possible positions for bromination on the benzene ring.
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