Oxidation States in PbCO3

This video tutorial explains how to determine the oxidation numbers for each element in PbCO3, a neutral compound. It highlights the importance of understanding the oxidation states of transition metals like lead and the role of the carbonate ion. The video provides a step-by-step approach to calculating these oxidation numbers, ensuring the compound remains neutral. Additional resources are offered for further exploration of related topics.

What is the overall charge of a neutral compound like PbCO3?

• Positive

• Negative

• Zero

• Depends on the elements

Why can't the oxidation state of lead be determined just by looking at Pb in PbCO3?

• Lead is a noble gas

• Lead is a non-metal

• Lead is a transition metal

• Lead is a halogen

How many carbonate ions are present in PbCO3?

• Four

• One

• Two

• Three

What is the ionic charge of the carbonate ion in PbCO3?

• 3-

• 4-

• 2-

• 1-

What must the oxidation state of lead be in PbCO3 to ensure the compound is neutral?

• +5

• +4

• +3

• +2

What is the total oxidation number for the two carbonate ions in PbCO3?

• -2

• -6

• -8

• -4

Where can you find additional help for determining the oxidation state of carbon in the carbonate ion?

• In the glossary

• In the appendix

• In the textbook

• In the video description