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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Transcribed Image Text:The image contains a question related to stereochemistry, focusing on the different types of isomers for 2-bromo-3-chloropentane. It presents four molecular structures:
- **Molecule 1** is labeled as a molecule with two hydroxyl (OH) groups. It does not specify whether it is a stereocenter.
- **Molecule 2** is labeled as an "Enantiomer." In stereochemistry, enantiomers are mirror-image isomers of a compound that cannot be superimposed onto each other.
- **Molecule 3** and **Molecule 4** are labeled as "diastereomers." Diastereomers are stereoisomers that are not mirror images of each other.
Below the structures, two questions are presented:
1. **How many different stereoisomers are there for 2-bromo-3-chloropentane?** The answer given is "3."
2. **Which of the above molecules do not rotate light?** The answer given is "2."
This layout aids in learning about isomerism in organic chemistry, discussing enantiomers and diastereomers, as well as their optical activities in rotation of polarized light.
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