Organic Chemistry III

Professor Carl C. Wamser

Chapter 18 Pre-Quiz

(must be done in WebCT before Mon., April 5, 8:30 am)

1) Vinyl alcohol is the enol form of

a.   formaldehyde
* b.   acetaldehyde
c.   acetone
d.   propenal
e.   divinyl ketone

2) The most acidic hydrogen in 2,4-hexanedione is found on carbon

a.   1
b.   2
* c.   3
d.   4
e.   5
f.   6

3) Conjugate addition refers to attack of a nucleophile at the

a.   carbonyl carbon
b.   alpha position
* c.   beta position
d.   gamma position

4) Robinson annulation is an example of

a.   a Wittig reaction
* b.   an aldol condensation
c.   an oxidation
d.   a reduction

5) A Claisen-Schmidt condensation is an aldol reaction that includes

a.   oxidation
b.   reduction
* c.   dehydration
d.   cyclization