Carbocation Stability
The order of stability of carbocations is:
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About This Question
- Subject
- chemistry
- Chapter
- some basic principles of organic chemistry
- Topic
- carbocation stability
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
3° > 2° > 1°
The stability of carbocations (R+) follows the order: 3∘>2∘>1∘>Methyl.
- Reasons:
- Inductive Effect (+I): Alkyl groups are electron-donating. More alkyl groups around the positive carbon disperse the partial positive charge better.
- Hyperconjugation: The number of α-hydrogens increases in the order 1∘ (3), 2∘ (6), 3∘ (9). More hyperconjugative structures lead to greater stability.
This easy difficulty chemistry question is from the chapter some basic principles of organic chemistry, covering the topic of carbocation stability. It appeared in the 2025 exam.
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