Oxidation Numbers and Transition Metals
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Ethan Morris
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of oxidation numbers in a neutral compound?
It is always negative.
It is always positive.
It is always zero.
It equals the charge of the compound.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about transition metals like copper?
They are always positively charged.
They can have multiple oxidation states.
They do not participate in oxidation reactions.
They have a fixed oxidation state.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of the sulfate ion (SO4)?
3-
2-
1-
2+
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In CuSO4, what is the oxidation number of copper?
0
3+
2+
1+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the oxidation number of sulfur in the sulfate ion?
By using the charge of the ion and known oxidation numbers.
By assuming it is always -2.
By assuming it is always +6.
By using the atomic number of sulfur.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of sulfur in the sulfate ion?
-2
0
+6
+4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of oxygen in most compounds?
-1
-2
0
+1
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