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:**Multiple Choice Question: Meso Compounds**
Meso compounds ___ have chiral centers and they ___ chiral.
- ○ do; are
- ○ do; are not
- ○ do not; are
- ○ do not; are not
**Explanation:**
Meso compounds are characterized by having multiple chiral centers; however, they are not chiral overall because they possess an internal plane of symmetry. This internal symmetry causes the optical activity of one half of the molecule to be canceled out by the other, resulting in the compound being achiral (not chiral) despite having chiral centers.
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Meso compounds are achiral molecules due to presence of plane of symmetry.
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