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Oxidation Numbers

Chemistry

11th Grade

NGSS covered

Used 392+ times

Oxidation Numbers
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33 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the oxidation number of Fe in FeO?

+1
-1
+2
-2

Tags

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the oxidation number of O in CO2?

+2
-1
+4
-2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Identify the reaction type:
C2H5OH(l) + O2(g) --> CO2(g) + H2O(g)

Double displacement
Synthesis
Acid base
Combustion

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The sum of all oxidation numbers in a neutral compound is ___.

0
1
-1
depends on the compound

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is oxidation number of Mn in MnO2 ?

0
+2
-2
+4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the oxidation number of Ca in Ca3N2?

+3
+2
-3
-2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is oxidation number of P in K3PO4?

+1
+5
-2
0

Tags

NGSS.HS-PS1-1

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