CH243 Name _________________
Quiz Chpt 20 Carboxylic Acids
Due 4/14/09
1. Calculate the pKa for Lactic acid (Ka = 8.4 x 10-4) Show the equation.
2. Rank in order of decreasing acidity. (#1 being the strongest acid.)
3. Complete the following reactions giving reagents or products as needed. More than one step may be required:
A.
B.
1)
2) H3O+
NaCN
Br
C.
CH2CH2OH CH3
CH3CH2CH2C
O
OH
Name ___________
2) CO2
3) H3O+
1) Mg Cl OH
O
C
O
OH
OH CH2C
O
OH
OH
C
H
O
CH2CH2OH CH3
CH2C
O
OH CH3
CH C
O
OH
Br
CH3CH2OH
C
O
OH
N
O
O
