What is the oxidation number of a neutral molecule?

Oxidation Numbers and Their Calculations

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

Liam Anderson
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It depends on the molecule.
It is always negative.
It is always positive.
It is zero.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical oxidation number for hydrogen when bonded to nonmetals?
-1
0
+1
+2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the usual oxidation number for oxygen in compounds?
0
-2
+2
-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the oxidation number of nitrogen in HNO2?
By guessing based on the molecule's name.
By using the known oxidation numbers of hydrogen and oxygen.
By assuming it is zero.
By using the periodic table.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of nitrogen in HNO2?
+4
+3
+2
+1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the algebraic method, what variable is used to represent the unknown oxidation number of nitrogen?
x
n
z
y
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of oxidation numbers in a neutral molecule?
It is equal to zero.
It is equal to the molecular weight.
It is equal to the atomic number.
It is equal to the number of atoms.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of adding 3 to both sides in the algebraic method?
To find the oxidation number of oxygen.
To balance the equation.
To find the oxidation number of hydrogen.
To find the oxidation number of nitrogen.
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