Net Ionic Equations and Spectator Ions

The video tutorial explains how to write a balanced net ionic equation for the reaction between barium nitrate and ammonium oxalate. It begins with balancing the molecular equation, identifying the solubility of compounds, and then splitting strong electrolytes into ions for the complete ionic equation. Spectator ions are crossed out to derive the net ionic equation, ensuring charge and atom balance throughout the process.

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

• Identify the spectator ions.

• Balance the molecular equation.

• Determine the solubility of compounds.

• Write the complete ionic equation.

Why is barium oxalate considered a precipitate in this reaction?

• It is highly soluble in water.

• It reacts with ammonium ions.

• It is insoluble in water.

• It forms a gas.

What is the purpose of splitting strong electrolytes into ions?

• To write the complete ionic equation.

• To balance the molecular equation.

• To identify the precipitate.

• To determine the solubility of compounds.

Which ions are considered spectator ions in this reaction?

• Ammonium and nitrate ions.

• Barium and nitrate ions.

• Barium and oxalate ions.

• Oxalate and ammonium ions.

What happens to spectator ions in the net ionic equation?

• They form a precipitate.

• They change their charge.

• They are removed from the equation.

• They are included in the final equation.

What is the role of ammonium ions in this reaction?

• They form a precipitate.

• They act as spectator ions.

• They react with barium ions.

• They balance the charge.

What is the net charge of the products in the net ionic equation?

• Zero

• Variable

• Negative

• Positive

How do you ensure that the net ionic equation is balanced?

• By ensuring charge and atom balance.

• By checking the solubility of compounds.

• By writing the complete ionic equation.

• By identifying spectator ions.

Which compound remains intact in the net ionic equation?

• Ammonium nitrate

• Barium nitrate

• Ammonium oxalate

• Barium oxalate

What is the significance of charge conservation in the net ionic equation?

• It removes spectator ions.

• It determines solubility.

• It identifies the precipitate.

• It ensures the equation is balanced.