aromatic

Question 1

huckel criteria- properties of aromatics

Answer 1

cyclic
conjugated system - alternate double and single bonds
planar
- 4n +2 pi electrons
stable molecules

Question 2

aromaticity

Answer 2

electrons are delocalized over the whole conjugated system

Question 3

aromatics undergo

Answer 3

electrophilic substitution reactions

Question 4

aromatics are stable so need

Answer 4

an acid to break the pi system

Question 5

aromatics- halogenation

Answer 5

lewis acid and halogen/diatomic mol

Question 6

friedel-craft alkylation

Answer 6

lewis acid and halogen with ch3

Question 7

friedel-craft acylation

Answer 7

lewis acid with an acyl chloride

Question 8

nitration

Answer 8

sulfuric acid and nitric acid products a no2 on benzene ring

Question 9

sulfonation needs heat

Answer 9

sulfuric acid to poduce so3 h

Question 9

strongly donating elections favor what positions- nh2 nhr nr2 oh or

Answer 9

stabilized but the para and ortho position- also mesomeric effect

Question 10

weakly donating elections favor what positions- et me ph

Answer 10

stabilize ortho and para

Question 11

strongly withdrawing elections favor what positions- ester, aldehyde, amide, no2, cn

Answer 11

deactivate para and ortho so direct to meta