Oxidation Numbers

What is the oxidation state of Cl in ClO^- ?

• 0

• +1

• -1

• +2

Tags

NGSS.HS-PS1-1

What is the oxidation state of H in H₂?

• +2

• +1

• 0

• None of the above

What is the oxidation state of Pb in PbO ?

• +2

• +4

• 0

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

S in HSO₄^- ?

• +5

• -6

• +6

• +2

H in NaH ?

• +1

• 0

• -1

• None of the above

Oxidation number of O in its stable elemental form, O₂:

• 0

• -1

• -2

• +2

Oxidation number of O in the compound H₂O:

• 0

• -1

• -2

• +2

Oxidation number of Fe in FeO:

• 0

• -2

• +2

• +3

Oxidation number of Fe in Fe₂O₃:

• 0

• -2

• +2

• +3

Oxidation number of Fe in Fe²⁺ ion:

• 0

• -2

• +2

• +3