Oxidation Numbers and Iron Compounds

The video tutorial explains how to determine the oxidation numbers in iron(III) oxide (Fe2O3). It begins by discussing the neutrality of the compound, followed by calculating the oxidation numbers for oxygen and iron. The tutorial concludes with the naming convention for iron(III) oxide using Roman numerals.

What is the sum of oxidation numbers in a neutral compound like Fe2O3?

• It depends on the compound.

• It is always positive.

• It is always negative.

• It is zero.

What is the typical oxidation number of oxygen in compounds?

• 0

• +1

• +2

• -2

How many oxygen atoms are present in Fe2O3?

• 3

• 4

• 2

• 1

What is the total oxidation number for the oxygen atoms in Fe2O3?

• +6

• -3

• +3

• -6

What is the oxidation number of each iron atom in Fe2O3?

• +2

• +3

• +4

• +1

How is the compound Fe2O3 named using Roman numerals?

• Iron(II) Oxide

• Iron(I) Oxide

• Iron(IV) Oxide

• Iron(III) Oxide