Net Ionic Equations and Reactions

This video tutorial explains how to write and balance the net ionic equation for the reaction between aluminum and silver nitrate. It covers the steps to balance the molecular equation, assign states to substances, and derive the complete and net ionic equations. The tutorial emphasizes the importance of balancing charges and atoms, and highlights the role of spectator ions in simplifying the net ionic equation.

What type of reaction occurs between aluminum and silver nitrate?

• Decomposition

• Double displacement

• Single displacement

• Synthesis

Why do we need to balance the molecular equation first?

• To identify the spectator ions

• To ensure the reaction is spontaneous

• To make sure the number of atoms and ions are equal on both sides

• To determine the solubility of compounds

How many nitrate ions are present in the balanced molecular equation?

• Two

• One

• Four

• Three

What state is assigned to aluminum in the reaction?

• Aqueous

• Liquid

• Solid

• Gas

Which of the following is a strong electrolyte in the reaction?

• Aluminum

• Water

• Nitrate

• Silver

What happens to the silver ions in the complete ionic equation?

• They remain unchanged

• They are oxidized to silver oxide

• They are reduced to silver metal

• They form a precipitate

What is the purpose of identifying spectator ions?

• To balance the charge

• To simplify the net ionic equation

• To determine the reaction rate

• To find the limiting reactant

What is the charge on the aluminum ion in the net ionic equation?

• 3+

• 2+

• 1+

• 4+

Why is it important to ensure charge conservation in the net ionic equation?

• To identify the limiting reactant

• To predict the products

• To maintain electrical neutrality

• To balance the molecular equation

What is the final step in deriving the net ionic equation?

• Balancing the molecular equation

• Assigning states to substances

• Crossing out spectator ions

• Calculating the reaction yield