Assigning Oxidation Numbers
Authored by Zachary Pierce
Chemistry
11th Grade
NGSS covered
Used 75+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the oxidation number of chlorine in HClO?
0
-1
+1
+5
Tags
NGSS.HS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Oxidation is the _________ of electrons.
loss
gain
sharing
transfer
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reduction is the ___________ of electrons.
loss
gain
sharing
transfer
Tags
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the oxidation number of nitrogen in N2?
-3
0
+4
-1
Tags
NGSS.HS-PS1-1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Given the following balanced chemical equation:
N2 + 3 H2 → 2 NH3
What is the oxidation number of hydrogen in the product?
+1
-1
0
+2
Tags
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The sum of the oxidation numbers in SCN- is equivalent to
0
-1
+1
+3
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Given the following balanced equation:
2 Al + 3 Cu2+ → 2 Al3+ + 3 Cu
The oxidation number of the copper reactant is
0
+2
-1
+1
Tags
NGSS.HS-PS1-2
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