Acids and Bases React
Practice Test
1.
H
+
(aq) + OH
-
(aq)
H
2
O(l) is the _____________ equation for a strong acid-strong base neutralization reaction.
a.
net ionic
b.
reverse
c.
formula
d.
complete ionic
2.
What is the base in the reaction HI + H
2
O
H
3
O + I
-
?
a.
Isub>2
b.
H
2
O
c.
HI
d.
H
3
O
+
3.
Name the spectator ion in the following equation, including the correct coefficient:Cu(s) + 4HNO3 (aq) ® Cu(NO3)2 (aq) + 2NO2 + 2H2O (l)
a.
3NO3
b.
3NO2
c.
2NO3
d.
2NO2
4.
According to the Bronsted-Lowry definition, an acid is a _______________.
a.
electron donor
b.
hydrogen-ion donor
c.
electron acceptor
d.
hydrogen-ion acceptor
5.
An acid-base reaction is called a _______________ reaction.
a.
combustion
b.
synthesis
c.
neutralization
d.
single-replacement
6.
Ions that are present in a solution but that do not participate in the reaction are called ________________.
a.
gases
b.
products
c.
reactants
d.
spectator ions
7.
Titration is the general process of determining the ____________ of an acidic or basic solution through the use of an acid-base reaction.
a.
polarity
b.
boiling point
c.
molarity
d.
density
8.
The complete neutralization of a weak acid with a strong base produces a _______________ solution.
a.
cold
b.
basic
c.
acidic
d.
neutral
9.
What is the net ionic equation for the reaction of a hydrogen carbonate antacid with hydrochloric acid?
a.
HCO
3
-
(aq) + H
+
(aq)
H
2
O(l) + CO
2
(g)
b.
HCO
3
-
(aq) + HCl(aq)
H
2
O(l) + CO
2
(g) + Cl
-
(aq)
c.
HCO
3
-
(aq) + H
+
(aq)
H
2
CO
3
(g)
d.
H
2
CO
3
(aq) + 2HCl(aq)
2H
2
O(l) + CO
2
(g) + Cl
-
(aq)
10.
Which of these is a spectator ion in the reaction 2NaOH(aq) + CuCl2 [arrow] 2NACl(aq) + Cu(OH)s(s)?
a.
Na
b.
Cu
c.
OH
d.
Cl and Na
11.
22.5 mL of 0.122 M HCl neutralizes 30.0 mL of a KOH solution. What is the molarity of the KOH solution?
a.
1.08 M
b.
0.00445 M
c.
0.0915 M
d.
0.163 M
12.
What will be the acid-base condition of the solution when ammonium citrate is dissolved in water?
a.
neutral
b.
basic
c.
The acid-base condition cannot be determined.
d.
acidic
13.
This is the formula for the spectator ion in the reaction between hydrobromic acid and ammonia.
a.
HBr
b.
Br
-
c.
NH
3
d.
H
3
O
+
14.
If the rock and soil around a lake are rich in this, the lake can neutralize acid rain.
a.
quartz
b.
cinnabar
c.
granite
d.
limestone
15.
Acid-base reactions are usually __________________ reactions.
a.
synthesis
b.
double-displacement
c.
decomposition
d.
combustion
16.
Which of these combinations will NOT make an acid-base buffer?
a.
NaOH/NaCl
b.
HCN/KCN
c.
HC
2
H
3
O
2
/NaC
2
H
3
O
2
d.
NH
3
/NH
4
NO
3
17.
A solution of known molarity used in an acid-base titration is known as a/an _______________.
a.
indicator
b.
hetergeneous solution
c.
standard solution
d.
aliquot
18.
Which of these compounds is NOT used in antacids?
a.
Mg(OH)
2
b.
KOH
c.
CaCO
3
d.
NaHCO
3
19.
One of the best acid-base indicators to use for a weak acid-strong base titration is ______________.
a.
bromothymol blue
b.
thymol blue
c.
phenolphthalein
d.
methyl red
20.
What volume of 0.0500 M HNO
3
is required to neutralize 52.6 mL of 0.250 M LiOH?
a.
263 mL
b.
525 mL
c.
52.6 mL
d.
10.5 mL
21.
Buffers maintain the pH of human blood near _____.
a.
12.5
b.
7.4
c.
1
d.
6.8
22.
Along with water, the compound produced in most acid-base reactions is _____________.
a.
sodium hydroxide
b.
barium oxide
c.
carbon dioxide
d.
a salt
23.
A __________ is a substance that resists changes in pH when moderate amounts of acids or bases are added.
a.
hydronium
b.
hydroxide
c.
buffer
d.
spectator ion
24.
One of the best acid-base indicators to use for a strong acid-strong base titration is ______________.
a.
thymol blue
b.
methyl red
c.
bromothymol blue
d.
phenolphthalein
25.
What is the net ionic equation for the reaction between hydrocyanic acid and sodium hydroxide?
a.
H
+
(aq) + OH
-
(aq)
H
2
O(l)
b.
HCN(aq) + OH
-
(aq)
H
2
O(l) + CN
-
(aq)
c.
H
3
O
+
(aq) + OH
-
(aq)
2H
2
O(l)
d.
HCN(aq) + NaOH(aq)
H
2
O(l) + NaCN(aq)
26.
What is the formula for the salt formed when calcium hydroxide and nitric acid react?
a.
CaNO
3
b.
Ca(NO
3
)
2
c.
CaNO
2
d.
CaN
