Oxidation Numbers and Iron Compounds

The video tutorial explains how to determine the oxidation number of iron in iron(III) chloride. It begins by introducing the concept of oxidation numbers and the neutrality of compounds. The tutorial then discusses the ionic charge of the chlorite ion and how to calculate the oxidation numbers for both iron and chloride ions. The video concludes with a summary and additional resources for further learning.

What is the oxidation number of iron in iron(III) chloride?

• +1

• +2

• +3

• +4

Why is iron(III) chloride considered a neutral compound?

• Its oxidation numbers add up to zero.

• It is composed of nonmetals only.

• It has an equal number of protons and electrons.

• It has no ionic bonds.

What is the ionic charge of the chlorite ion?

• -2

• -1

• 0

• +1

How many chloride ions are present in iron(III) chloride?

• 1

• 2

• 3

• 4

What must the oxidation number of iron be to balance the three chloride ions?

• +4

• +2

• +1

• +3

What is the total oxidation number of the chloride ions in iron(III) chloride?

• -3

• -4

• -2

• -1

Why is it called iron(III) chloride?

• Because it contains three iron atoms.

• Because the iron has an oxidation number of +3.

• Because it has three chloride ions.

• Because it is the third form of iron chloride.

Where can you find additional help for determining the oxidation number of chlorine in the chlorite ion?

• In the lecture notes.

• At the end of the video.

• In the video description.

• In the textbook.