Section 19.1
Acids and Bases: An Introduction
Practice Test
1.
Under what condition is the OH
-
ion concentration in water expected to be zero?
SC.A.1.4.5
a.
never
b.
in a solution of weak base
c.
in a solution of strong acid
d.
in a solution of strong base
Hint
2.
What will a nonmetallic anhydride produce in aqueous solution?
a.
salt
b.
base
c.
solid precipitate
d.
acid
Hint
3.
Which of the following is a strong base?
SC.A.1.4.5
a.
HCOOH
b.
NaOH
c.
NH
3
d.
HCO
3
-
Hint
4.
H
2
SO
4
is a ____________.
SC.A.2.4
a.
diprotic acid
b.
monoprotic base
c.
monoprotic acid
d.
diprotic base
Hint
5.
Which one of the following could not be a BrÆnsted-Lowry acid?
SC.A.2.4
a.
NH
4
+
b.
H
2
O
c.
BF
3
d.
H
3
O
+
Hint
6.
Which of the following compounds is not a salt?
SC.A.2.4.1
a.
Mg
OH
2
b.
BaCrO
4
c.
K
2
SO
4
d.
FeCl
2
Hint
7.
Identify a conjugate acid-base pair in the reaction NH
3
+ H
2
O ‹–› NH
4
+
+ OH
-
SC.A.2.4.1
a.
H
2
O and NH
4
+
b.
NH
3
and OH
-
c.
NH
3
and H
2
O
d.
H
2
O and OH
-
Hint
8.
Which of the following is a weak acid?
SC.A.1.4.5
a.
HClO
4
b.
HF
c.
HCl
d.
HNO
3
Hint
9.
When HClO
4
ionizes in water, ClO
4
-
is the ______________.
SC.A.2.4
a.
conjugate base
b.
conjugate acid
c.
base
d.
acid
Hint
10.
According to the BrÆnsted-Lowry theory, a base is a
n
___________.
SC.A.1.4.5
a.
electron pair acceptor
b.
hydrogen ion acceptor
c.
hydrogen ion donor
d.
electron pair donor
Hint
11.
A substance that contains hydrogen and produces H
+
ions in aqueous solution is a
n
________.
SC.A.2.4.1
a.
acid
b.
salt
c.
water
d.
base
Hint
12.
Which of the following is not a conjugate acid-base pair?
SC.A.2.4
a.
HCl and Cl
-
b.
H
3
O
+
and OH
-
c.
H
2
O and OH
-
d.
HNO
3
and NO
3
-
Hint
13.
Which of these is a product of the first step in the ionization of phosphoric acid, H
3
PO
4
?
SC.A.2.4.1
a.
H
2
PO
4
b.
HPO
4
c.
H
3
PO
4
d.
PO
4
Hint
14.
Which of the following is the strongest base according to the Bronsted-Lowry theory?
SC.A.1.4.5
a.
Cl
-
b.
F
-
c.
NO
3
-
d.
I
-
Hint
