Oxidation States and Numbers in Compounds

The video tutorial explains how to find the oxidation number for arsenic in the ion ASF6-. It begins by recognizing the ion's negative charge and the role of fluorine, which has a consistent oxidation number of -1. The tutorial then sets up an equation to solve for arsenic's oxidation number, resulting in a positive five. The video concludes with a summary of the process and the final result.

What does the negative charge in the AsF6- ion indicate?

• It is a negatively charged ion.

• It is a positively charged ion.

• It is a neutral molecule.

• It has no charge.

What is the oxidation state of fluorine in compounds?

• +1

• 0

• -1

• +2

How many fluorine atoms are present in AsF6-?

• 6

• 4

• 5

• 7

What equation is used to find the oxidation number of arsenic in AsF6-?

• X - 6 = 1

• X + 6 = -1

• X - 6 = -1

• X + 6 = 1

What is the oxidation number of arsenic in AsF6-?

• +6

• +4

• +3

• +5