Lead(II) Carbonate Properties and Reactions

The video tutorial explains how to write the equation for lead(II) carbonate (PbCO3) plus water (H2O). It discusses the solubility of ionic compounds, particularly carbonates, in water. Most carbonates, including lead(II) carbonate, are insoluble, but a tiny amount dissolves. The video demonstrates how to write the equation for this small dissolution and discusses variations in representing the equation. The tutorial concludes with a summary of the key points.

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

• PbCO3

• Pb2CO3

• Pb(CO3)2

• PbCO2

What type of compound is lead(II) carbonate?

• Metallic

• Ionic

• Covalent

• Molecular

According to solubility rules, which of the following carbonates is generally soluble in water?

• Sodium carbonate

• Calcium carbonate

• Barium carbonate

• Lead(II) carbonate

Why does lead(II) carbonate not dissolve in water?

• It reacts with water to form a gas.

• It is an insoluble compound.

• It forms a precipitate with water.

• It is a covalent compound.

What happens to lead(II) carbonate when placed in water?

• It completely dissolves.

• It forms a gas.

• It remains mostly solid.

• It reacts to form a new compound.

What ions are formed when a small amount of lead(II) carbonate dissolves in water?

• Pb2+ and CO2

• Pb+ and CO2

• Pb2+ and CO3 2-

• Pb+ and CO3 -

What does the term 'aqueous' mean in the context of dissolved ions?

• Gaseous state

• Dissolved in water

• Solid state

• Reacted with water

How is the small amount of lead(II) carbonate that dissolves in water typically represented?

• As a solid precipitate

• As a gas

• As an aqueous solution

• As a new compound

What is an alternative way to represent the reaction of lead(II) carbonate with water?

• By writing H2O on the left side

• By not including H2O at all

• By writing H2O above the arrow

• By writing H2O on the right side

What does the term 'insoluble' imply about a compound's behavior in water?

• It forms a new compound with water.

• It dissolves completely in water.

• It reacts vigorously with water.

• It does not dissolve in water.