Oxidation Numbers and Chlorine Properties

The video tutorial explains how to determine the oxidation number for each element in the ion FeCl4 2-. It begins by noting that the sum of oxidation numbers in an ion equals the ion's charge. The video highlights that iron, a transition metal, can have various oxidation numbers, while chlorine, typically -1, is consistent here. An equation is set up to solve for iron's oxidation number, resulting in a positive 2. The tutorial concludes with a summary of the findings.

What is the charge of the ion FeCl4 2-?

• 1-

• 1+

• 2-

• 2+

Which group does chlorine belong to, and what is its usual oxidation state?

• Group 15, -3

• Group 18, 0

• Group 17, -1

• Group 16, -2

Why is the oxidation number of chlorine in FeCl4 2- considered to be -1?

• Because it is bonded to oxygen

• Because it is in a free state

• Because it is bonded to fluorine

• Because it is bonded to iron

How many chlorine atoms are present in FeCl4 2-?

• 5

• 4

• 3

• 2

What equation is set up to find the oxidation number of iron in FeCl4 2-?

• x - 2 = 4

• x + 2 = 4

• x - 4 = -2

• x + 4 = -2

What is the oxidation number of iron in FeCl4 2-?

• +3

• +2

• +1

• 0

What is the final oxidation number for iron in FeCl4 2-?

• +3

• +4

• +2

• +1

Who is the narrator of the video?

• Dr. C

• Dr. B

• Dr. A

• Dr. D