Net Ionic Equations and Spectator Ions

The video tutorial explains how to write and balance the net ionic equation for the reaction between zinc nitrate and ammonium sulfate. It begins by balancing the molecular equation, then discusses the solubility of the compounds involved. The tutorial proceeds to form the complete ionic equation, identifying and removing spectator ions to derive the net ionic equation. The final net ionic equation is balanced in terms of both charge and atoms.

What is the first step in balancing the molecular equation for zinc nitrate and ammonium sulfate?

• Identify the spectator ions.

• Balance the number of nitrate ions.

• Determine the solubility of compounds.

• Write the net ionic equation.

What is the role of ammonium nitrate in balancing the molecular equation?

• It acts as a precipitate.

• It balances the nitrate ions.

• It forms a gas.

• It is a spectator ion.

Why is zinc sulfide considered a solid in the reaction?

• It is a strong electrolyte.

• It is soluble in water.

• It forms a precipitate.

• It is a gas at room temperature.

Which compound is insoluble in the reaction?

• Ammonium nitrate

• Zinc sulfide

• Ammonium sulfate

• Zinc nitrate

What is the purpose of splitting strong electrolytes into ions?

• To form the complete ionic equation.

• To identify the precipitate.

• To determine the solubility.

• To balance the molecular equation.

What is the significance of the complete ionic equation?

• It verifies the charge balance.

• It shows the formation of the precipitate.

• It identifies the spectator ions.

• It balances the molecular equation.

Which ions are considered spectator ions in this reaction?

• Ammonium and sulfur ions.

• Zinc and nitrate ions.

• Nitrate and ammonium ions.

• Zinc and sulfur ions.

What happens to the spectator ions in the net ionic equation?

• They are removed from the equation.

• They form a precipitate.

• They are included in the final equation.

• They change their charge.

What is the net charge of the final net ionic equation?

• 1+

• 2+

• 2-

• 0

How is the charge balance verified in the net ionic equation?

• By identifying the precipitate.

• By checking the solubility.

• By ensuring the net charge is zero.

• By counting the number of atoms.