Reaction Mechanism : transition state - reaction intermediates, carbocation - rearrangement and hydride shift

Reaction intermediate of EicB reaction is :

Introduction To Organic Chemistry - Reaction Intermediates - Carbocation

Give possible mechanism of the given reaction using carbocation rearrangement.

Geometry of reaction intermediate in S_(N)1 reaction is

1.correlation OF lone pairs and formal charges, 2.reaction intermediates a) carbocation, b)carbanion,c) free radicals

Geometry of reaction intermediate in S_(N^(1)) reaction is

Choose the most reasonable reaction intermediate for the following reaction.

Reaction Intermediates|| Carbocation|| Stability OF Carbocation|| Rearrangement OF Carbocation (Hydride, Alkyl and Phenyl shift Reaction)