Organic Chemistry III
	Professor Carl C. Wamser
Chem 336 - Spring Term	Pre-Quiz 20

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

1. (RCO)2O would be a condensed formula for

a. a carboxylic acid
b. a carboxylate salt
c. an ester
* d. an anhydride
e. an ether

2. Reaction of acetic anhydride with one equivalent of ethanol will give

a. two equivalents of ethyl acetate
* b. ethyl acetate plus acetic acid
c. two equivalents of acetic acid
d. methanol plus propionic acid
e. butanoic acid

3. The neutral tetrahedral intermediate in reaction of acetyl chloride with ethanol would have which four groups attached?

a. CH3, Et, OH, Cl
b. CH3O, Et, OH, Cl
* c. CH3, EtO, OH, Cl
d. CH3, EtO, OCl, OH
e. CH3O, EtO, OH, Cl

4. Transesterification of methyl benzoate with ethanol will produce

a. methyl ethyl ether plus benzoic acid
* b. ethyl benzoate plus methanol
c. ethyl acetate plus benzoic acid
d. benzoic anhydride plus methanol

5. The reaction below expected to react at the fastest rate would be

* a. acetyl chloride plus methanol
b. ethyl acetate plus water
c. acetic anhydride plus methanol
d. acetamide plus methanol
e. acetonitrile plus water