Discuss the role of hyper conjugation to explain the relative stabilities of ethyl isopropyl and tertiary butyl carbocations
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Classifications of carbocations
Carbocations are classified according to the number of alkyl substituents that are bonded to the positively charged carbon.
A primary (1o) carbocation has one alkyl substituent, a secondary (2o) carbocation has two alkyl substituents and a tertiary (3o) carbocation has three alkyl substituents.
2. Stability of carbocations
The stability of carbocations depends on the number of alkyl groups that are bonded to the positively charged carbon.
The stability of a carbocations increases as the number of alkyl groups bonded to the positively charged carbon increases.
Thus, tertiary carbocations are more stable than secondary carbocations, and secondary carbocations are more stable than primary carbocations.
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