What is the overall charge of the compound K2SO3?

Oxidation Numbers in K2SO3

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

Aiden Montgomery
FREE Resource
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Positive
Negative
Neutral
Variable
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of potassium in K2SO3?
-1
+1
+2
0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is sulfur's oxidation number initially left as 'x'?
It always has a fixed value
It is always negative
It is always zero
It varies depending on the compound
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical oxidation number for oxygen in compounds?
0
-2
-1
+2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the equation set up to find the oxidation number of sulfur in K2SO3?
2(-1) + x + 3(+2) = 0
x + 3(+2) = 0
2(+1) + x + 3(-2) = 0
2x + 3(-2) = 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of sulfur in K2SO3 after solving the equation?
0
+4
+6
-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of oxidation numbers in a neutral compound like K2SO3?
+2
+4
0
-2
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do the oxidation numbers of all elements in K2SO3 verify the neutrality of the compound?
They add up to -2
They add up to +2
They add up to +4
They add up to 0
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is the presenter of the video on oxidation numbers for potassium sulfite?
Dr. A
Dr. B
Dr. C
Dr. D
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