Organic Chemistry II
	Professor Carl C. Wamser
Chem 335 - Winter Term	Pre-Quiz 16

(must be done in D2L before Tues., Feb. 19, 7:30 am)

1. The best synthesis of phenyl methyl ether would combine

a) methanol with phenol and acid

* b) methyl bromide with sodium phenoxide

c) sodium methoxide with bromobenzene

d) styrene with RCO3H

2. Heating a particular ether with HBr yielded a single organic product. Which of the following conclusions can be reached?

a) The reactant was a methyl ether.

b) The reactant was a symmetrical ether.

c) The reactant was a cyclic ether.

* d) Both b and c could be correct.

3. The C-O-C bond angle in diethyl ether is closest to

a) 90°

* b) 109°

c) 120° (also accepted)

d) 180°

4. In the conversion of methanol to dimethyl ether using H2SO4, which of the following is NOT an intermediate in the mechanism?

a) CH3OH2+

b) (CH3)2OH+

* c) CH3+

d) all of the above are intermediates

5. The structure of the common solvent DMSO is

a) (CH3)2S

* b) (CH3)2S=O

c) (CH3)2SO2

d) CH3SO3H