Name_______________________
CPC: pre-Test: Acids/Bases
Review notes taken in class and then answer the following questions.
1. State whether it is a strong acid or base
a. H2SO4
__________________________
f.
H2S
__________________________
b. NaOH
__________________________
g. Al(OH)3
__________________________
c. H2CO3
__________________________
h. HNO3
__________________________
d. HC2H3O2 __________________________
i.
HNO2
__________________________
__________________________
j.
H3PO3
__________________________
e. Ca(OH)2
2. Explain how Arrhenius defined acids and bases.
3. Explain how Brønsted and Lowry defined acids and bases.
4. How is the Brønsted-Lowry definition an improvement over the Arrhenius definition of acids and bases?
5. Identify the Brønsted-Lowry acids and bases in the following reactions:
a.
HBr
+
H2O

Br-
+
H3O+
b.
SO4-2
+
H2O

HSO4-
+
OH-
c.
HSO4-
+
HCO3-

H2SO4
+
CO3-2
d.
H2CO3
+
H2O

HCO3-
+
H3O+
e.
NH4+
+
OH-

NH3
+
H2O
6. What is the difference between strong and weak acids or bases? List an example of each.
7. Define each of the following:
a. Monoprotic acids:
b. Polyprotic acids:
c. Diprotic acids:
d. Triprotic acids:
8. Identify each of the following acids as monoprotic, diprotic, and triprotic.
a. H2SO4
________________________
e. HCl
________________________
b. H2CO3
________________________
f.
HNO3
__________________________
c. HC2H3O2 ________________________
g. HNO2
__________________________
d. H2S
h. H3PO4
__________________________
________________________
9. Explain what self-ionization means and how it relates to water.
10. Define pH
11. A typical pH scale is from______ to_______.
12. A typical base has a pH between ____ and ______.
13. A typical acid has a pH between ____ and ______.