Organic Chemistry II

Professor Carl C. Wamser

Chem 335 - Winter 2004

Pre-Quiz 12

Chapter 12 Pre-Quiz

(must be done in WebCT before Fri., Feb. 6, 8:30 am)

1. Which of the following is NOT an electrophile?

a) H+
* b) H2O
c) H3O+
d) Br2
e) SO3

2. Benzene does not react with chlorine except in the presence of

a) light
b) heat
c) polar solvent
* d) a Lewis acid
e) a nucleophile

3. Bromination of chlorobenzene will give

a) 1-bromo-2-chlorobenzene
b) 1-bromo-3-chlorobenzene
c) 1-bromo-4-chlorobenzene
* d) more than one of the above
e) none of the above

4. Cl as a substituent is

a) activating and o,p-directing
* b) deactivating and o,p-directing
c) activating and m-directing
d) deactivating and m-directing

5. The product of a Friedel-Crafts acylation is a

* a) ketone
b) carboxylic acid
c) alcohol
d) aldehyde
e) alkene