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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![### Predict the Product(s) of Bromination Reaction
When an aromatic compound reacts with bromine (\(Br_2\)) in the presence of iron(III) bromide (\(FeBr_3\)), a bromination reaction occurs.
Here is the reaction and possible products.
#### Reaction:
- **Reactants:** Methoxybenzene, \(Br_2\), \(FeBr_3\)
- **Reaction Condition:** Presence of \(FeBr_3\) catalyst
#### Possible Products:
1. **First Product:**
- **Structure:** The bromine (Br) is substituted at the ortho position relative to the methoxy group (-OCH3) on the benzene ring.
![Ortho-Product](prod1.png)
2. **Second Product:**
- **Structure:** The bromine (Br) is substituted at the para position relative to the methoxy group (-OCH3) on the benzene ring.
![Para-Product](prod2.png)
3. **Third Product:**
- **Structure:** Both ortho and para substituted products are formed.
- A mixture containing both the ortho and para products.
![Ortho and Para Product Mixture](prod3.png)
4. **Fourth Product:**
- **Structure:** The bromine (Br) is substituted at the meta position relative to the methoxy group (-OCH3) on the benzene ring.
![Meta-Product](prod4.png)
### Explanation of Each Structure:
- **Ortho-Product:** The bromine (Br) atom is attached to the second carbon adjacent to the carbon with the methoxy group on the benzene ring.
- **Para-Product:** The bromine (Br) atom is attached to the fourth carbon relative to the carbon with the methoxy group on the benzene ring.
- **Ortho and Para Product Mixture:** A combination of both ortho and para substituted products indicating multiple substitution sites relative to the methoxy group.
- **Meta-Product:** The bromine (Br) atom is attached to the third carbon relative to the carbon with the methoxy group on the benzene ring.
#### Note:
The methoxy group (-OCH3) on the benzene ring is an electron-donating group, activating the benzene ring towards electrophilic substitution. The ortho and para positions are more reactive](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc91174da-4403-47a6-9909-42e8d6a68b06%2F4e9f961c-4fa7-4f75-a323-74cf64988920%2F8ukv3e_processed.png&w=3840&q=75)
Transcribed Image Text:### Predict the Product(s) of Bromination Reaction
When an aromatic compound reacts with bromine (\(Br_2\)) in the presence of iron(III) bromide (\(FeBr_3\)), a bromination reaction occurs.
Here is the reaction and possible products.
#### Reaction:
- **Reactants:** Methoxybenzene, \(Br_2\), \(FeBr_3\)
- **Reaction Condition:** Presence of \(FeBr_3\) catalyst
#### Possible Products:
1. **First Product:**
- **Structure:** The bromine (Br) is substituted at the ortho position relative to the methoxy group (-OCH3) on the benzene ring.
![Ortho-Product](prod1.png)
2. **Second Product:**
- **Structure:** The bromine (Br) is substituted at the para position relative to the methoxy group (-OCH3) on the benzene ring.
![Para-Product](prod2.png)
3. **Third Product:**
- **Structure:** Both ortho and para substituted products are formed.
- A mixture containing both the ortho and para products.
![Ortho and Para Product Mixture](prod3.png)
4. **Fourth Product:**
- **Structure:** The bromine (Br) is substituted at the meta position relative to the methoxy group (-OCH3) on the benzene ring.
![Meta-Product](prod4.png)
### Explanation of Each Structure:
- **Ortho-Product:** The bromine (Br) atom is attached to the second carbon adjacent to the carbon with the methoxy group on the benzene ring.
- **Para-Product:** The bromine (Br) atom is attached to the fourth carbon relative to the carbon with the methoxy group on the benzene ring.
- **Ortho and Para Product Mixture:** A combination of both ortho and para substituted products indicating multiple substitution sites relative to the methoxy group.
- **Meta-Product:** The bromine (Br) atom is attached to the third carbon relative to the carbon with the methoxy group on the benzene ring.
#### Note:
The methoxy group (-OCH3) on the benzene ring is an electron-donating group, activating the benzene ring towards electrophilic substitution. The ortho and para positions are more reactive
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