Oxidation Numbers
Authored by Jarrod Bye
Science
12th Grade
Used 1+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of free elements? (e.g. Na, C, Cl, Cl2, P4, O2)
-2
-1
0
+1
+2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of oxygen when bonded to another element?
-2
-1
0
+1
+2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of fluorine when bonded to another element?
-2
-1
0
+1
+2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of hydrogen when bonded to another non-metal element?
-2
-1
0
+1
+2
5.
DRAG AND DROP QUESTION
1 min • 1 pt
An oxidising agent (a) in oxidation number as in undergoes (b) and gains electrons.
A reducing agent (c) in oxidation number as it undergoes (d) and loses electrons.
6.
DRAG AND DROP QUESTION
1 min • 1 pt
A reducing agent increases in oxidation number as it undergoes (a) and (b) electrons.
An oxidising agent decreases in oxidation number as in undergoes (c) and (d) electrons.
7.
DRAG AND DROP QUESTION
1 min • 1 pt
Determine the oxidation numbers in KClO4.
K: (a)
Cl: (b)
O: (c)
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