Oxidation-Reduction Reactions Chemistry Worksheet Page 32
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41238
Chapter 6
Oxidation-Reduction Reactions
52. For each of the following equations, determine the oxidation number for each
O
3
bjeCtive
O
4
bjeCtive
atom in the equation and identify whether the reaction is a redox reaction or not.
O
5
bjeCtive
If the reaction is redox, identify what is oxidized, what is reduced, the oxidizing
O
6
bjeCtive
agent, and the reducing agent.
a. 2Na(s) + 2H
O(l ) → 2NaOH(aq) + H
(g)
2
2
b. HCl(aq) + NH
(aq) → NH
Cl(aq)
3
4
c. 2Cr(s) + 3CuSO
(aq) → Cr
(aq) + 3Cu(s)
(SO
)
4
2
4
3
(aq) + 2HNO
(aq) → 2NO(g) + H
O(l ) + 3H
d. 3H
SO
SO
(aq)
2
3
3
2
2
4
2+
‒
e. CaO(s) + H
O(l ) → Ca
(aq) + 2OH
(aq)
2
O
3
53.
The following equations summarize the steps in the process used to make most
bjeCtive
O
4
bjeCtive
of the sulfuric acid produced in the United States. Determine the oxidation
O
5
bjeCtive
number for each atom in each of the following equations, and identify whether
O
6
bjeCtive
each reaction is a redox reaction or not. For the redox reactions, identify what is
oxidized, what is reduced, the oxidizing agent, and the reducing agent.
+ O
→ SO
⅛S
8
2
2
+ ½O
→ SO
SO
2
2
3
+ H
O → H
SO
SO
3
2
2
4
54. Because of its superior hiding ability, titanium dioxide has been the best selling
O
3
bjeCtive
O
4
bjeCtive
white pigment since 1939. In 1990, there were 2.16 billion pounds of it sold in
O
5
bjeCtive
the United States for a variety of purposes, including surface coatings (paint),
O
6
bjeCtive
plastics, and paper. The following equations show how impure TiO
is purified.
2
Determine the oxidation number for each atom in them and identify whether
each reaction is a redox reaction or not. For the redox reactions, identify what is
oxidized, what is reduced, the oxidizing agent, and the reducing agent.
+ 4C + 6Cl
→ 3TiCl
+ 2CO + 2CO
3TiO
2
2
4
2
+ O
→ TiO
+ 2Cl
TiCl
4
2
2
2
Section 6.3 Types of Redox Reactions
55.
O
7
Classify each of these reactions with respect to the following categories:
bjeCtive
combination reaction, decomposition reaction, combustion reaction, and
single‑displacement reaction.
a. 2NaH(s) → 2Na(s) + H
(g)
2
b. 2KI(aq) + Cl
(g) → 2KCl(aq) + I
(s)
2
2
SH(l ) + 9O
( g) → 4CO
(g) + 6H
O(l ) + 2SO
c. 2C
H
(g)
2
5
2
2
2
2
∆
d. H
(g) + CuO(s)
Cu(s) + H
O(l )
2
2
(s) + 5O
(g) → P
e. P
O
(s)
4
2
4
10
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education