Finding Oxidation Numbers

What is the oxidation number of chlorine in KCl?

• +1

• -1

• +5

• +7

Tags

NGSS.HS-PS1-2

• 0

• -2

• +2

• +6

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

• 0 to +2

• 0 to -2

• 0 to -1

• 0 to +1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

• 0 to +1

• +1 to 0

• 0 to -1

• -1 to 0

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the oxidation number of Au(s)?

• +1

• -1

• +2

• 0

What is the oxidation number of O2(s)?

• +1

• -1

• -2

• 0

Tags

NGSS.HS-PS1-1

What is the oxidation number of K+?

• 0

• +1

• -1

• +2

What is the oxidation number of Br-(s)?

• 0

• +1

• -1

• +3

In which formula does nitrogen have the lowest oxidation number?

• N₂

• HNO₂

• HNO₃

• Li₃N

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In which formula does manganese have the highest oxidation number?

• MnO

• MnO₂

• Mn₂O₃

• KMnO₄