In which of the following carbocations, delocalisation of positive charge is possible :

Options

A.
B.
C.
D. `overset(o+)(C )H_(2)-O-CH_(3)`

Answer

D

Explanation

In which of the following carbocations …………………
, Eredt's rule. (no resonance)
, positive charge and `pi` bonds are
not in conjugation
, positive charge is not delocalized.
`overset(o+)(C )H_(2)-O-CH_(3)` , carbon have empty p-orbital.