Oxidation states

In a compound, what is the usual oxidation state of hydrogen?

• 0

• +1

• -1

Tags

NGSS.HS-PS1-1

In a compound, what is the usual oxidation state of oxygen?

• -2

• -1

• 0

In hydrogen peroxide, H₂O₂, what is the oxidation state of oxygen?

• 0

• -1

• -2

Tags

NGSS.HS-PS1-2

What is the oxidation state of S in H₂S ?

• -1

• -2

• +2

• 0

What is the oxidation state of Fe in Fe₂O₃ ?

• +2

• -2

• 0

• +3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the oxidation state of Br in Br₂ ?

• 0

• -1

• +1

What is the oxidation state of Mn in KMnO₄ ?

• +1

• +5

• +3

• +7

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the oxidation state of S in SO₄^2- ?

• +6

• +8

• -2

• -6

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the oxidation state of C in HCO₃^- ?

• +6

• -4

• +4

• 0

Tags

NGSS.HS-PS1-2

What is the oxidation state of Cr in CrO₄^2- ?

• +8

• +6

• -6

• -8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2