Oxidation States of Carbon in C3O2

The video tutorial explains how to find the oxidation number for carbon in C3O2, a neutral compound. It begins by calculating the average oxidation number for carbon, which results in a fractional value. The tutorial then explains why this fractional oxidation number occurs, highlighting the difference between the central and terminal carbon atoms. The central carbon has an oxidation state of zero, while the terminal carbons have a state of +2, leading to the average fractional value. The video concludes with a summary of these findings.

What is the oxidation number of oxygen in most compounds?

• +2

• -2

• 0

• +1

In a neutral compound, what should the sum of all oxidation numbers equal?

• -1

• +1

• 0

• +2

How do you represent the unknown oxidation number of carbon in C3O2?

• y

• z

• x

• w

What is the average oxidation number of carbon in C3O2?

• 2

• 4/3

• 1

• 3/2

Why is the oxidation number of carbon in C3O2 fractional?

• Because carbon is a metal

• Because oxygen has a positive oxidation number

• Due to an error in calculation

• Because of different oxidation states of carbon atoms

Which carbon atom in C3O2 has an oxidation state of zero?

• All carbon atoms

• The one in the center

• The one bonded to oxygen

• The one on the end

What is the oxidation state of the carbon atoms on the ends in C3O2?

• -1

• +2

• 0

• +1

How many carbon atoms are there in C3O2?

• 4

• 3

• 2

• 1

What is the total oxidation state of the carbon atoms in C3O2?

• 0

• -2

• +2

• +4

What is the compound C3O2 commonly known as?

• Carbon suboxide

• Carbon monoxide

• Carbon tetroxide

• Carbon dioxide