

Balancing Chemical Reactions and Oxidation States
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Liam Anderson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the reactants in the reaction discussed in the video?
Iron(II) chloride and carbon dioxide
Iron(III) chloride and carbon monoxide
Iron(II) oxide and carbon dioxide
Iron(III) oxide and carbon monoxide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the reaction not fit the single replacement pattern?
Because it involves a decomposition
Because it does not follow the A + BC format
Because iron is not by itself
Because it involves a double replacement
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason the reaction is not classified as a double replacement?
It involves a synthesis reaction
Iron is by itself
Carbon is by itself
Oxygen is by itself
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction involves the exchange of electrons?
Synthesis reaction
Decomposition reaction
Redox reaction
Double replacement reaction
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation state of iron in the reactant Fe2O3?
2+
4+
3+
0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation state of iron after the reaction?
4+
3+
2+
0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the change in oxidation state for carbon in the reaction?
From 2+ to 0
From 4+ to 2+
From 2+ to 4+
From 0 to 2+
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