Oxidation Numbers in Na3PO3

This video tutorial explains how to determine the oxidation numbers for each element in the compound Na3PO3, focusing on the phosphorus atom. It begins by discussing the neutrality of the compound, meaning all oxidation numbers sum to zero. The video identifies known oxidation numbers for sodium and oxygen, then uses an equation to calculate the oxidation number for phosphorus, which is found to be +3. The tutorial concludes with a summary of the findings.

What is the main focus of the video regarding the compound Na3PO3?

• The oxidation number of phosphorus

• The oxidation number of oxygen

• The oxidation number of sodium

• The molecular weight of Na3PO3

Why does Na3PO3 have no charge?

• It is an ionic compound

• It is a neutral compound

• It has more electrons than protons

• It is a covalent compound

What is the oxidation number of sodium in Na3PO3?

• 0

• +1

• -1

• +2

What is the typical oxidation number of oxygen in compounds?

• +1

• -2

• 0

• -1

In the equation used to find the oxidation number of phosphorus, what does 'x' represent?

• The oxidation number of oxygen

• The oxidation number of phosphorus

• The oxidation number of sodium

• The total charge of the compound

What is the oxidation number of phosphorus in Na3PO3?

• 0

• +5

• +3

• -3

What is the final step in solving for the oxidation number of phosphorus?

• Dividing both sides by 3

• Adding 3 to both sides

• Subtracting 3 from both sides

• Multiplying both sides by 2