What is the chemical formula for acetaldehyde?

Oxidation Numbers in Acetaldehyde

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Chemistry
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10th - 12th Grade
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Hard

Ethan Morris
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CH4
C2H5OH
CH3CHO
C2H6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element in acetaldehyde is almost always assigned an oxidation number of -2?
Carbon
Hydrogen
Oxygen
Nitrogen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the average oxidation number for the carbons in acetaldehyde?
-1
+1
0
+2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do the carbons in acetaldehyde have different oxidation numbers?
They have different atomic masses.
They are bonded to different elements.
They have different isotopes.
They are in different phases.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of the carbon bonded to the oxygen in acetaldehyde?
-3
+3
-1
+1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of the carbon bonded to three hydrogens in acetaldehyde?
+1
-3
-1
+3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the sum of the oxidation numbers for the carbons in acetaldehyde?
Add +1 and +1
Add +3 and -1
Add -1 and -1
Add -3 and +1
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