Name__________KEY________________
| 1. (2 pts) The molecule pictured in the box, oxycodone,
is the active principle in Percodan, Percocet, and related pain medications.
Obviously, it has several chiral centers. What is the R/S configuration
around the two designated centers?
A = __R__ B = __R__ |
 |
| 2. (2 pts) Six compounds are listed in the table, along
with their pKa values. Answer the questions by referring to this table.
Which compound is the second weakest acid? _______NH3______ Which compound is the second strongest acid? ___CHCl2CO2H____ |
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3. (4 pts) Next to each compound, place an A if it is a Lewis acid, a B if it is a Lewis base, and an N if it is neither.
H2C=CH2 __B__ PCl3 __B__ CH3OCH3 __B__ BCl3 __A__
4. (2 pts) Acetic acid, CH3COOH, is a Bronsted-Lowry acid. What is the formula for its conjugate base?
__CH3COO-__
Ammonia, NH3, is a Bronsted-Lowry base. What is the formula for its conjugate acid?
____NH4+___