Oxidation Numbers and Compounds

The video tutorial explains how to determine the oxidation number for nitrogen in dinitrogen trioxide (N2O3). It begins by discussing the concept of oxidation numbers in neutral compounds, noting that they sum to zero. The tutorial highlights that nitrogen can have different oxidation states depending on its bonding. In N2O3, nitrogen is bonded to three oxygen atoms, each with an oxidation number of -2. The video demonstrates the calculation process, showing that the oxidation number for each nitrogen atom in N2O3 is +3. The tutorial concludes with a summary of the findings.

What is the overall charge of the compound N2O3?

• Variable

• Positive

• Negative

• Neutral

Which element's oxidation number is not fixed and depends on what it is bonded to?

• Hydrogen

• Oxygen

• Fluorine

• Nitrogen

What is the typical oxidation number of oxygen in compounds, except when bonded to fluorine or in peroxides?

• -2

• -1

• +1

• +2

How many oxygen atoms are bonded to nitrogen in N2O3?

• 1

• 4

• 2

• 3

What is the oxidation number of nitrogen in N2O3?

• +2

• +1

• +4

• +3

What is the sum of the oxidation numbers in a neutral compound?

• 0

• +1

• -1

• +2