Net Ionic Equations and Spectator Ions

The video tutorial explains how to write the net ionic equation for the reaction between iron (Fe) and copper(II) sulfate (CuSO4). It begins with writing the balanced molecular equation, followed by determining the solubility of the compounds using a solubility table. The tutorial then demonstrates how to split soluble compounds into their ions to form the complete ionic equation. Finally, it identifies spectator ions and presents the net ionic equation, highlighting the changes in the chemical species involved.

What is the first step in writing a net ionic equation?

• Identify spectator ions

• Write the balanced molecular equation

• Determine the solubility of compounds

• Split compounds into ions

Which of the following is a metal in the reaction between iron and copper(II) sulfate?

• Sulfate ion

• Copper(II) sulfate

• Iron

• Water

How do you determine if a compound is soluble?

• By observing its reaction with water

• By measuring its density

• By using a solubility table

• By checking its color

What is the charge on the sulfate ion?

• 2-

• 1-

• 2+

• 1+

What is the purpose of splitting soluble compounds into ions?

• To identify the spectator ions

• To balance the molecular equation

• To determine the reaction rate

• To form the complete ionic equation

Which ions are considered spectator ions in this reaction?

• Water molecules

• Sulfate ions

• Copper ions

• Iron ions

What happens to spectator ions in the net ionic equation?

• They are highlighted in the equation

• They are doubled in the equation

• They are removed from the equation

• They are included in the equation

What is the net ionic equation for the reaction between iron and copper(II) sulfate?

• Fe2+ + Cu → Fe + Cu2+

• Fe + Cu2+ → Cu + Fe2+

• Fe + Cu2+ + SO4 2- → Cu + Fe2+ + SO4 2-

• Fe + CuSO4 → Cu + FeSO4

Why is it important to write the net ionic equation?

• To calculate the reaction speed

• To measure the temperature change

• To identify the color of the products

• To understand the actual chemical change

What is the final product of the reaction between iron and copper(II) sulfate?

• Copper and sulfate ions

• Iron and copper(II) sulfate

• Iron and copper ions

• Copper and iron(II) sulfate