Exam 2 Introduction and Summaries

What is the formula for Huckle’s rule?

4n+2= # of electrons

What is typically planar?

Sp2 or Sp bonded carbons all around (no Sp3)

Benzene is the _____ that reacts with some _______ species in the ____

nucleophilic (Nu:-), electropilic (E+), RDS

_________ _____________ is resonance stabilized despite temporarily losing ________

Carbocation intermediate, aromaticity

_________ is restored when a ____-_______ ________ is removed, leading to the __________ product

Aromaticity, beta-carbon hydrogen, substitution

What are the 5 electrophilic aromatic substitution RXNs?

Halogenation, nitration, sulfonation, friedel-crafts acylation, friedel-crafts alkylation

What are the steps to an iodation halogenation reaction?

What are the steps to an bromination halogenation reaction?

What are the steps to an chlorination halogenation reaction?

How can sulfonation reaction be moved forward or reversed?

• Add heat to move forward

• Add H+ (acid) to reverse