
Oxidation Numbers in Compounds
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard
Liam Anderson
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the video tutorial?
Understanding molecular geometry
Finding oxidation numbers in HSO4-
Balancing chemical equations
Learning about acid-base reactions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of hydrogen when bonded to a non-metal?
+2
+1
0
-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical oxidation number assigned to oxygen in compounds?
-2
0
-1
+2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which rule helps determine the oxidation number of sulfur in HSO4-?
The sum of oxidation numbers in an ion equals the ion's charge
Hydrogen's oxidation number is always -1
The sum of oxidation numbers in a molecule is zero
Sulfur always has an oxidation number of -2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are present in the hydrogen sulfate ion?
5
4
3
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of sulfur in the hydrogen sulfate ion?
-2
+6
+4
0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total charge of the hydrogen sulfate ion?
+1
-1
0
+2
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which elements' oxidation numbers were known before calculating sulfur's oxidation number?
Hydrogen and oxygen
Sulfur and oxygen
Oxygen and nitrogen
Hydrogen and nitrogen
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the recap section in the video?
It discusses the history of oxidation numbers
It provides a detailed explanation of sulfur's properties
It summarizes the process of finding oxidation numbers
It introduces new concepts
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