Q. Hyperconjugation is most useful for stabilising which of the following carbocations?

 2408  210 KEAMKEAM 2010Organic Chemistry – Some Basic Principles and Techniques Report Error

Solution:

On the basis of hyperconjugation, stability order of different alkyl carbocations is

In t-butyl cation, the C-atom bearing the positive charge is attached to three methyl groups, thus it will have maximum hyperconjugative structures, which give it maximum stability.