Oxidation-Reduction (Redox) Reactions
AP Chemistry · Flashcards
AP CHEMISTRY · FLASHCARDS
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QUESTION
What is the change in oxidation state for iron in
F
e
2
O
3
Fe_2O_3
F
e
2
O
3
during reduction?
QUESTION
Identify the oxidizing agent:
Z
n
+
C
u
2
+
→
Z
n
2
+
+
C
u
Zn + Cu^{2+} \rightarrow Zn^{2+} + Cu
Z
n
+
C
u
2
+
→
Z
n
2
+
+
C
u
.
QUESTION
What is the oxidation state of aluminum in
A
l
2
O
3
Al_2O_3
A
l
2
O
3
?
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ANSWER
+3. Calculate using: 2(Al) + 3(-2) = 0, so Al = +3.
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