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
![**Title: Understanding E Isomers in Organic Molecules**
**Introduction**
In organic chemistry, isomerism plays a significant role in the molecular structure of compounds. Isomers are molecules with the same molecular formula but different structural arrangements. Here, we focus on E isomers, a type of stereoisomerism where the highest priority substituents on each carbon of a double bond are positioned on opposite sides.
**Task: Draw E Isomers for the Following Molecules**
1. **Molecule 1:**
- Structure:
\[
\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_2\text{-C=C-CH}_2\text{Cl}
\]
\[
\text{CH}_3\text{CH}_3
\]
*Explanation*: The structure provided is an organic compound with a carbon-carbon double bond. To draw the E isomer, the higher priority groups (based on atomic number) on each of the double-bonded carbons should be placed on opposite sides.
2. **Molecule 2:**
- Structure:
\[
\text{HOCH}_2\text{CH}_2\text{C=C-C}\equiv \text{CH}
\]
\[
\text{O=CH-C(C}_2\text{H}_5\text{)}_3
\]
*Explanation*: This compound contains a double bond and a triple bond. Similar to the first molecule, the E isomer is drawn by positioning the priority groups across the double bond on opposite sides.
**Conclusion**
Understanding and drawing E isomers involves recognizing the spatial arrangement of atoms and the rules for determining priority based on atomic number. This fundamental concept is vital in fields such as pharmaceuticals, where different isomers of a molecule can drastically affect biological activity.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F62cc748c-628b-4ab0-8610-e208833b302f%2F7dce63bb-c55c-4ab8-936d-a0ba35593095%2F5wfk28s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Title: Understanding E Isomers in Organic Molecules**
**Introduction**
In organic chemistry, isomerism plays a significant role in the molecular structure of compounds. Isomers are molecules with the same molecular formula but different structural arrangements. Here, we focus on E isomers, a type of stereoisomerism where the highest priority substituents on each carbon of a double bond are positioned on opposite sides.
**Task: Draw E Isomers for the Following Molecules**
1. **Molecule 1:**
- Structure:
\[
\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_2\text{-C=C-CH}_2\text{Cl}
\]
\[
\text{CH}_3\text{CH}_3
\]
*Explanation*: The structure provided is an organic compound with a carbon-carbon double bond. To draw the E isomer, the higher priority groups (based on atomic number) on each of the double-bonded carbons should be placed on opposite sides.
2. **Molecule 2:**
- Structure:
\[
\text{HOCH}_2\text{CH}_2\text{C=C-C}\equiv \text{CH}
\]
\[
\text{O=CH-C(C}_2\text{H}_5\text{)}_3
\]
*Explanation*: This compound contains a double bond and a triple bond. Similar to the first molecule, the E isomer is drawn by positioning the priority groups across the double bond on opposite sides.
**Conclusion**
Understanding and drawing E isomers involves recognizing the spatial arrangement of atoms and the rules for determining priority based on atomic number. This fundamental concept is vital in fields such as pharmaceuticals, where different isomers of a molecule can drastically affect biological activity.
Expert Solution
Step 1
Isomers can be defined as the compounds having same molecular formula but different arrangement of atoms. We have been asked to draw the E isomers of given two organic compounds.
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