Lead(II) Hydroxide Concepts

The video tutorial explains how to name the compound Pb(OH)2, known as lead(II) hydroxide. It begins by identifying the components: lead, a transition metal, and the hydroxide ion, a polyatomic ion. The tutorial details the process of naming the metal and the ion, determining the charge of lead, and writing the complete name with a Roman numeral to indicate the charge. Finally, it covers how to write the chemical formula for lead(II) hydroxide, ensuring the charges balance.

What is the polyatomic ion present in Pb(OH)2?

• Nitrate

• Sulfate

• Carbonate

• Hydroxide

What type of metal is lead in the context of Pb(OH)2?

• Noble gas

• Transition metal

• Alkali metal

• Alkaline earth metal

What is the first step in naming Pb(OH)2?

• Determine the number of hydroxide ions

• Calculate the total charge

• Write the name of the metal

• Identify the charge of lead

What is the name of the polyatomic ion in Pb(OH)2?

• Sulfide

• Chloride

• Phosphate

• Hydroxide

How do you determine the charge of lead in Pb(OH)2?

• By the number of hydroxide ions

• By the position of lead in the periodic table

• By the color of the compound

• By the total negative charge of hydroxide ions

What Roman numeral is used in the name of Pb(OH)2 to indicate the charge of lead?

• III

• IV

• II

• I

If given the name Lead(II) Hydroxide, how many hydroxide ions are needed to balance the charge?

• Four

• Three

• Two

• One

What is the correct formula for Lead(II) Hydroxide?

• Pb2OH

• PbOH

• Pb(OH)2

• Pb(OH)3