Which of the following carbocations can rearrange to a more stable ion? Propose structures for the likely rearrangement products.

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
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Which of the following carbocations can rearrange to a more stable ion? Propose structures for the likely rearrangement products.

 

The image presents structural representations of various carbocation species. These structures are labeled as a) through e).

a) \[ \text{CH}_3-\text{CH-CH}_2-\text{CH}_3^+ \]

b) \[ \text{CH}_3-\text{CH}_2-\text{CH}_2-\text{CH}_2^+ \]

c) \[ \text{CH}_3-\text{CH-CH}_2-\text{CH}_3 \]
   with a methyl group (CH₃) attached to the central carbon, and a positive charge on the same carbon.

d) \[ \text{CH}_3 - \text{CH}_2 - \overset{|}{\overset{\text{CH}_3}{\text{C}}} - \text{CH}_3^+ \]

e) Cyclopentane ring with a methyl group (CH₃) and an ethyl group (CH₂⁺) attached at the same carbon, with the positive charge located on the terminal carbon of the ethyl group.

Each of these structures depicts a different carbocation, which is an ion with a positively charged carbon atom, significant in various organic reaction mechanisms.
Transcribed Image Text:The image presents structural representations of various carbocation species. These structures are labeled as a) through e). a) \[ \text{CH}_3-\text{CH-CH}_2-\text{CH}_3^+ \] b) \[ \text{CH}_3-\text{CH}_2-\text{CH}_2-\text{CH}_2^+ \] c) \[ \text{CH}_3-\text{CH-CH}_2-\text{CH}_3 \] with a methyl group (CH₃) attached to the central carbon, and a positive charge on the same carbon. d) \[ \text{CH}_3 - \text{CH}_2 - \overset{|}{\overset{\text{CH}_3}{\text{C}}} - \text{CH}_3^+ \] e) Cyclopentane ring with a methyl group (CH₃) and an ethyl group (CH₂⁺) attached at the same carbon, with the positive charge located on the terminal carbon of the ethyl group. Each of these structures depicts a different carbocation, which is an ion with a positively charged carbon atom, significant in various organic reaction mechanisms.
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