Copper(II) Sulfate Properties and Reactions

The video tutorial explains the composition and ionic nature of copper II sulfate (CuSO4). It highlights that copper is a transition metal and sulfate (SO4) is a polyatomic ion with a 2- charge. The tutorial discusses the need for a 2+ charge from copper to balance the compound, resulting in copper II sulfate. When dissolved in water, CuSO4 dissociates into copper ions and sulfate ions, both in aqueous form. The video concludes with the identification of one copper ion and one sulfate ion in the compound.

What type of compound is Copper(II) Sulfate?

• Metallic

• Ionic

• Covalent

• Molecular

What is the charge of the sulfate ion in Copper(II) Sulfate?

• 1-

• 1+

• 2+

• 2-

Why is Copper(II) Sulfate named as such?

• Because it has two sulfate ions

• Because it is a diatomic molecule

• Because the copper ion has a 2+ charge

• Because it contains two copper atoms

What happens to Copper(II) Sulfate when it is dissolved in water?

• It evaporates

• It remains unchanged

• It dissociates into ions

• It forms a precipitate

Which ions are formed when Copper(II) Sulfate dissociates in water?

• Copper and sulfate ions

• Sulfate and hydrogen ions

• Copper and oxygen ions

• Copper and hydrogen ions

What is the state of the copper ion after dissociation in water?

• Solid

• Liquid

• Aqueous

• Gaseous

How many total ions are present in a dissolved Copper(II) Sulfate molecule?

• Four

• Three

• Two

• One