
Redox Reactions and Oxidation States
Interactive Video
•
Chemistry, Science, Biology
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a reducing agent in a redox reaction?
It gains electrons and is oxidized.
It loses electrons and is oxidized.
It gains electrons and is reduced.
It loses electrons and is reduced.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a redox reaction, what does the oxidizing agent do?
It is always a metal.
It donates electrons to another species.
It accepts electrons from another species.
It remains unchanged.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction Na + Cl2, which species is the reducing agent?
NaCl
Cl2
Both Na and Cl2
Na
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the oxidation number of a species that is reduced?
It becomes zero.
It remains the same.
It decreases.
It increases.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the oxygen example, what is the oxidation state change for oxygen?
+2 to 0
0 to -2
-2 to 0
0 to +2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which species is oxidized in the zinc and copper reaction?
Zinc
Copper
Both zinc and copper
Neither zinc nor copper
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of copper in the zinc and copper reaction?
Reducing agent
Oxidizing agent
Neutral agent
Catalyst
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