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Br₂ hv

Br₂ hv

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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The image depicts a chemical reaction illustrating the bromination of an alkylbenzene under the influence of light. **Structure Before Reaction:** - On the left, a benzene ring (an aromatic six-membered carbon ring with alternating double bonds) is connected to a three-carbon straight chain (propyl group). **Reaction Conditions:** - The reaction is carried out using bromine (\( \text{Br}_2 \)) under ultraviolet light (\( hv \)). **Structure After Reaction:** - On the right, the resulting structure shows the benzene ring connected to a three-carbon chain, where the terminal carbon now bears a bromine atom (\( \text{Br} \)). **Explanation:** This reaction is an example of photochemical free radical bromination, where the presence of light initiates the formation of bromine radicals that substitute a hydrogen atom in the alkyl chain with a bromine atom. This specific reaction features the addition of a bromine atom at the end of the propyl side chain attached to the benzene ring.
Transcribed Image Text:The image depicts a chemical reaction illustrating the bromination of an alkylbenzene under the influence of light. **Structure Before Reaction:** - On the left, a benzene ring (an aromatic six-membered carbon ring with alternating double bonds) is connected to a three-carbon straight chain (propyl group). **Reaction Conditions:** - The reaction is carried out using bromine (\( \text{Br}_2 \)) under ultraviolet light (\( hv \)). **Structure After Reaction:** - On the right, the resulting structure shows the benzene ring connected to a three-carbon chain, where the terminal carbon now bears a bromine atom (\( \text{Br} \)). **Explanation:** This reaction is an example of photochemical free radical bromination, where the presence of light initiates the formation of bromine radicals that substitute a hydrogen atom in the alkyl chain with a bromine atom. This specific reaction features the addition of a bromine atom at the end of the propyl side chain attached to the benzene ring.
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