Oxidation Charges

Quiz

•

Chemistry

•

11th - 12th Grade

•

Hard

•

NGSS

HS-PS1-1, HS-PS1-2

Standards-aligned

Charles Martinez

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is oxidation number of H in H₂O?

0

-2

-1

+1

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is oxidation number of Cr in Cr₂O_7^2-?

-2

+2

+6

+12

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is oxidation number of P in K₃PO₄?

+1

+5

-2

0

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is oxidation number of H in CaH₂?

+1

-1

0

+2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is oxidation number of Fe in FeO ?

+2

-2

0

+1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is oxidation number of Ca in CaCl₂ ?

-1

-2

+1

+2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is oxidation number of O in O₂ ?

0

-2

+1

+2

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