Which of the following statements are correct statements ?

Options

A. Carbocation is less `overline e` deficient than alkyl radical.
B. Isomerisation of a less stable carbocation to more stable carbocation by `1,2-Me` shift is called Wagner-Meerwein rearrangement.
C. Isomerisation to a more stable carbocation is accompained by decrease in potential energy.
D. Greater stability of benzyl, allyl, and `3^@` carbocation is due to hyperconjugation.

Answer

A, C, D

Explanation

Here, (a) is wrong : carbocation is more `overline e` deficient than `R^@`.
Further, (b), (c) and (d) are self-explanatory.