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Which of the following Newman projections represents the most stable conformation of 2,3-dimethylbutane? CH3 H CH3 CH3 CH3 Hy Hy CHs Hy Cy CH3 CHs CH3 CH3 H,C CH3 CH3 ČH3 1 2 3

Which of the following Newman projections represents the most stable conformation of 2,3-dimethylbutane? CH3 H CH3 CH3 CH3 Hy Hy CHs Hy Cy CH3 CHs CH3 CH3 H,C CH3 CH3 ČH3 1 2 3

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
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**Question:** Which of the following Newman projections represents the most stable conformation of 2,3-dimethylbutane? **Newman Projections:** 1. **Projection 1:** - Front carbon: one hydrogen (H) and two methyl groups (CH₃) staggered. - Back carbon: one hydrogen (H) and two methyl groups (CH₃) staggered. 2. **Projection 2:** - Front carbon: one hydrogen (H) and two methyl groups (CH₃) staggered. - Back carbon: one hydrogen (H) and two methyl groups (CH₃) staggered but different orientation from Projection 1. 3. **Projection 3:** - Front carbon: two hydrogen atoms (H) and one methyl group (CH₃). - Back carbon: one hydrogen (H) and two methyl groups (CH₃) staggered. 4. **Projection 4:** - Front carbon: one hydrogen (H) and two methyl groups (CH₃) staggered. - Back carbon: one hydrogen (H) and two methyl groups (CH₃) staggered but different orientation from Projections 1 and 2. **Multiple Choice Options:** - ○ 1 - ○ 2 - ○ 3 - ○ 4 In these diagrams, the structure that exhibits the greatest distance (least torsional strain) between the largest groups generally represents the most stable conformation.
Transcribed Image Text:**Question:** Which of the following Newman projections represents the most stable conformation of 2,3-dimethylbutane? **Newman Projections:** 1. **Projection 1:** - Front carbon: one hydrogen (H) and two methyl groups (CH₃) staggered. - Back carbon: one hydrogen (H) and two methyl groups (CH₃) staggered. 2. **Projection 2:** - Front carbon: one hydrogen (H) and two methyl groups (CH₃) staggered. - Back carbon: one hydrogen (H) and two methyl groups (CH₃) staggered but different orientation from Projection 1. 3. **Projection 3:** - Front carbon: two hydrogen atoms (H) and one methyl group (CH₃). - Back carbon: one hydrogen (H) and two methyl groups (CH₃) staggered. 4. **Projection 4:** - Front carbon: one hydrogen (H) and two methyl groups (CH₃) staggered. - Back carbon: one hydrogen (H) and two methyl groups (CH₃) staggered but different orientation from Projections 1 and 2. **Multiple Choice Options:** - ○ 1 - ○ 2 - ○ 3 - ○ 4 In these diagrams, the structure that exhibits the greatest distance (least torsional strain) between the largest groups generally represents the most stable conformation.
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