Lead(II) Compounds and Solubility

The video explores the reaction of lead(II) oxide with water, explaining that lead(II) oxide is a solid powder and water is a liquid. It discusses the nature of ionic compounds, which are often soluble in water, and demonstrates how to use a solubility table to determine that lead(II) oxide is insoluble in water. The video concludes that lead(II) oxide does not dissolve or dissociate in water, remaining as a solid at the bottom of the container.

What is the chemical formula for lead(II) oxide?

• PbO

• PbO2

• Pb2O

• Pb2O3

What type of compound is formed when a metal and a non-metal combine?

• Ionic compound

• Covalent compound

• Organic compound

• Metallic compound

Why is it important to check a solubility table when dealing with ionic compounds?

• To check if the compound is soluble in water

• To find the boiling point

• To determine the melting point

• To know the color of the compound

What charge does lead(II) have in the solubility table?

• 3+

• 2+

• 1+

• 4+

What does the 'i' symbol indicate in the solubility table?

• Highly soluble

• Soluble

• Insoluble

• Partially soluble

What happens to lead(II) oxide when it is placed in water?

• It forms a gas

• It reacts with water

• It remains as a solid

• It dissolves completely

What is the final state of lead(II) oxide in the experiment?

• Dissolved in water

• Reacted with water

• Wet but undissolved

• Evaporated

What is the main conclusion of the experiment with lead(II) oxide and water?

• Lead(II) oxide changes color

• Lead(II) oxide is highly soluble

• Lead(II) oxide reacts vigorously with water

• Lead(II) oxide remains insoluble