Honors Chemistry Practice Redox Test Answers
For questions 1 - 5, balance the following redox reaction.
Sn+2 + MnO41  Sn+4 + Mn+2
(acidic solution)
1.
In the balanced reaction, __________ is oxidized.
a. Sn
b. Sn+2
c. MnO41
d. Mn
2.
In the balanced reaction, __________ is reduced.
a. Sn
b. Sn+2
c. MnO41
d. Mn
3.
In the balanced reaction, _________ is the oxidizing agent.
a. Sn
b. Sn+2
c. MnO41
d. Mn
4.
In the balanced reaction, _________ is the reducing agent.
a. Sn
b. Sn+2
c. MnO41
d. Mn
5.
In the balanced reaction, the coefficient of water is ________.
a. 0
b. 2
c. 4
d. 6
e. 8
For questions 6 - 10, balance the following redox reaction.
CO2 + F2  FO31 + C2O42
(basic solution)
6.
In the balanced reaction, __________ is oxidized.
a. F
b. CO2
c. F2
d. C
7.
In the balanced reaction, __________ is reduced.
a. F
b. CO2
c. F2
d. C
8.
In the balanced reaction, _________ is the oxidizing agent.
a. F
b. CO2
c. F2
d. C
9.
In the balanced reaction, _________ is the reducing agent.
a. F
b. CO2
c. F2
d. C
10.
In the balanced reaction, the coefficient of water is ________.
a. 1
b. 4
c. 3
d. 6
e. 2
For questions 11 - 15, balance the following redox reaction.
NO + H5IO6  NO31 + IO31
(acidic solution)
11
In the balanced reaction, __________ is oxidized.
a. H5IO6
b. N
c. I
d. NO
12.
In the balanced reaction, __________ is reduced.
a. H5IO6
b. N
c. I
d. NO
13.
In the balanced reaction, _________ is the oxidizing agent.
a. H5IO6
b. N
c. I
d. NO
14.
In the balanced reaction, _________ is the reducing agent.
a. H5IO6
b. N
c. I
d. NO
15.
In the balanced reaction, the coefficient of water is ________.
a. 5
b. 4
c. 3
d. 2
e. 1
For questions 16 - 20, balance the following redox reaction.
Cr+6 + NO21
 NO31 + Cr+2
(basic solution)
16.
In the balanced reaction, __________ is oxidized.
a. N
b. NO21
c. Cr+6
d. Cr
17.
In the balanced reaction, __________ is reduced.
a. N
b. NO21
c. Cr+6
d. Cr
18.
In the balanced reaction, _________ is the oxidizing agent.
a. N
b. NO21
c. Cr+6
d. Cr
19.
In the balanced reaction, _________ is the reducing agent.
a. N
b. NO21
c. Cr+6
d. Cr
20.
In the balanced reaction, the coefficient of water is ________.
a. 0
b. 1
c. 2
d. 3
e. 4
For questions 21 - 25, balance the following redox reaction.
H2O2 + Ce+4  O2 + Ce+3
(acidic solution)
21.
In the balanced reaction, __________ is oxidized.
a. O
b. Ce
c. H2O2
d. Ce+4
22.
In the balanced reaction, __________ is reduced.
a. O
b. Ce
c. H2O2
d. Ce+4
23.
In the balanced reaction, _________ is the oxidizing agent.
a. O
b. Ce
c. H2O2
d. Ce+4
24.
In the balanced reaction, _________ is the reducing agent.
a. O
b. Ce
c. H2O2
d. Ce+4
25.
In the balanced reaction, the coefficient of water is ________.
a. 0
b. 1
c. 2
d. 3
e. 4