Return to Contents Chapter 12 : Reactions of Arenes. Electrophilic Aromatic Substitution Ch 4 contents

Reactions of Arenes. Electrophilic Aromatic Substitution Questions
Qu 1: What are the major products of the following reactions ? 

(a)



(b)



(c)


Qu 2: (a) Arrange the following in according to their relative rate of reaction with bromine / Fe. Justify the order.



Qu 3:  Arrange the following products according to the % yield obtained from the nitration of t-butylbenzene. Justify the order.



Qu 4:  Draw in all of the curly arrows and any required charges to complete the step-by-step mechanisms for each of the following reaction schemes.

All the required bonds have been shown.

(a)



(b) 


Qu 5: Arrange the following according to their relative rate of reaction with ethanoyl chloride / AlCl3. Justify the order.



Qu 6: What are the major products from the reactions of phenyl ethanoate and ethyl benzoate with HNO3 / H2SO4 / heat ?


Qu 7: Based on the resonance energies of polycyclic aromatics like naphthalene and phenanthrene, suggest why they are more reactive then benzene.


Answers ?


organic chemistry © Dr. Ian Hunt, Department of Chemistry University of Calgary