What is the primary focus when determining oxidation numbers in calcium peroxide (CaO2)?

Oxidation Numbers in Calcium Peroxide

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Emma Peterson
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Understanding the role of peroxides
Determining the color of the compound
Identifying the molecular weight
Calculating the number of atoms
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is calcium peroxide considered a neutral compound?
It has an equal number of protons and electrons
It is a gas at room temperature
It has no net charge
It is composed of non-metals
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of calcium in CaO2?
+1
+2
0
-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In peroxides, what is the typical oxidation number assigned to oxygen?
+1
-2
0
-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the oxidation number of oxygen in CaO2?
By measuring the compound's pH
By setting up an equation with calcium's oxidation number
By using the group number of oxygen
By assuming it is always -2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What equation is used to find the oxidation number of oxygen in CaO2?
x - 2 = 0
2x - 2 = 0
x + 2 = 0
2 + 2x = 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final oxidation number of each oxygen atom in CaO2?
0
-2
+1
-1
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to understand the oxidation numbers in compounds like CaO2?
To calculate its density
To predict the compound's color
To understand its reactivity and stability
To determine its melting point
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the oxidation number calculation in the context of the video?
It is used to find the boiling point
It determines the compound's solubility
It is necessary for identifying the compound's taste
It helps in balancing chemical equations
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