Iron(III) Chloride Properties and Oxidation States

The video tutorial explains how to determine the oxidation numbers for elements in FeCl3, Iron (III) chloride. It starts by stating that the sum of oxidation numbers in a neutral compound is zero. Chlorine is identified as having an oxidation number of -1, and with three chlorine atoms, the total is -3. Therefore, iron must have an oxidation number of +3 to balance the charge. The video also covers the naming convention for Iron (III) chloride, using Roman numerals to indicate the oxidation state of iron. The tutorial concludes with a brief sign-off from Dr. B.

What is the overall charge of the compound FeCl3?

• Negative

• Neutral

• Depends on the environment

• Positive

What is the oxidation state of chlorine in FeCl3?

• +1

• +3

• 0

• -1

How many chlorine atoms are present in FeCl3?

• 4

• 1

• 2

• 3

What oxidation number must iron have to balance the charge in FeCl3?

• +1

• +2

• +3

• +4

How is Iron (III) chloride written using Roman numerals?

• Iron (III) chloride

• Iron (IV) chloride

• Iron (II) chloride

• Iron (I) chloride