Electron Flow Patterns and Carbocation Rearrangement

exam 3, chem 233, WVU fall '26

Carbonyl cations are always __

partial positive

Halides, except for __, are good leaving groups

fluorine

Higher substitution __ relative energy of carbocations due to hyperconjugation

lowers

Hyperconjugation

delocalization (pulling e- away from carbocation)

Carbocation reattangements involve __ carbons

immediately neighboring

If you can choose between a hydride and a methyl shift, pick __

hydride shift

Water is a good leaving group

true

Allylic carbon: definition

connected to another carbon that has a pi bond

Delocalized electrons are in a(n) ___ orbital

p

Pi bonds are overlaps between two __ orbitals

p

Electrons in pi bonds are __

delocalized

A lone pair adjacent to an atom with a pi bond is in a __ orbital

p

The rate-determining step is the one with the __

highest energy of activation

You can tell if a reaction is exo/endothermic based on a reaction coordinate diagram

false