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6. Identify the indicated faces in the following molecules as Re or Si: CH3 a. 2-butanone HaC CH3- CH3 b. 2-butanone HO HO c. oxaloacetic aeid

6. Identify the indicated faces in the following molecules as Re or Si: CH3 a. 2-butanone HaC CH3- CH3 b. 2-butanone HO HO c. oxaloacetic aeid

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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**6. Identify the indicated faces in the following molecules as Re or Si:** a. **2-butanone** - Structure: Displays the structural formula where a ketone group (C=O) is bonded to two carbon chains. The left chain has a methyl group labeled as \( \text{H}_3\text{C} \) and the right chain has another carbon bonded to a methyl group \( \text{CH}_3 \). b. **2-butanone** - Structure: Similar to the previous structure, showing a ketone (C=O) group and adjacent carbon chains with one chain labeled as \( \text{CH}_3 \) on both sides of the carbonyl group. c. **oxaloacetic acid** - Structure: Contains a dicarboxylic acid with two ketone groups (C=O) on the second and fourth carbons. Hydroxyl groups (OH) are present on the first and last carbon atoms, indicating the presence of carboxyl groups. Each terminal end is associated with a carboxylic acid functionality. For each molecule, determine if the indicated face of the ketone or relevant functional group is the Re or Si face by visualizing or using molecular models to establish stereochemistry and the priority of substituents around each center.
Transcribed Image Text:**6. Identify the indicated faces in the following molecules as Re or Si:** a. **2-butanone** - Structure: Displays the structural formula where a ketone group (C=O) is bonded to two carbon chains. The left chain has a methyl group labeled as \( \text{H}_3\text{C} \) and the right chain has another carbon bonded to a methyl group \( \text{CH}_3 \). b. **2-butanone** - Structure: Similar to the previous structure, showing a ketone (C=O) group and adjacent carbon chains with one chain labeled as \( \text{CH}_3 \) on both sides of the carbonyl group. c. **oxaloacetic acid** - Structure: Contains a dicarboxylic acid with two ketone groups (C=O) on the second and fourth carbons. Hydroxyl groups (OH) are present on the first and last carbon atoms, indicating the presence of carboxyl groups. Each terminal end is associated with a carboxylic acid functionality. For each molecule, determine if the indicated face of the ketone or relevant functional group is the Re or Si face by visualizing or using molecular models to establish stereochemistry and the priority of substituents around each center.
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