
Balancing Redox Reactions and Oxidation States

Interactive Video
•
Chemistry, Science, Physics
•
9th - 12th 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 first step in balancing redox reactions using the oxidation number method?
Measure the temperature of the reaction.
Determine the pH of the solution.
Calculate the molecular weight of the compounds.
Identify the necessary elements to balance in terms of oxidation states.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the oxidation state of iron determined in a compound?
By observing the color change in the reaction.
By using the net charge of the compound and known oxidation states of other elements.
By measuring the pH of the solution.
By calculating the molecular weight of the compound.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation state of carbon in carbon monoxide?
+4
+2
-2
0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the change in oxidation state for iron when it goes from +3 to 0?
0
1
2
3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the copper and nitrogen example, what is the initial oxidation state of copper?
0
+1
-1
+2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation state of nitrogen in nitrogen dioxide?
+5
+4
0
+3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation state of copper when it changes from 0 to +2?
+1
0
+3
+2
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