Net Ionic Equations and Spectator Ions

The video tutorial explains how to write a balanced net ionic equation for the reaction between manganese and sulfuric acid. It begins with balancing the molecular equation, assigning states to each substance, and splitting strong electrolytes into ions for the complete ionic equation. Spectator ions are identified and crossed out to derive the net ionic equation. The tutorial concludes by verifying the balance of charge and atoms in the final equation.

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

• Identify spectator ions

• Balance the molecular equation

• Split strong electrolytes into ions

• Write the states of substances

What is the state of manganese in the reaction with sulfuric acid?

• Aqueous

• Liquid

• Gas

• Solid

Why is sulfuric acid considered aqueous in the reaction?

• It is a gas

• It is a solid

• It dissociates into ions

• It is a weak acid

What is the charge of the hydrogen ion in the reaction?

• 2-

• 2+

• 1-

• 1+

Which ion is identified as a spectator ion in the reaction?

• Manganese ion

• Hydrogen ion

• Sulfate ion

• Oxygen ion

What is the charge of the manganese ion in the products?

• 1+

• 2+

• 3+

• 2-

What happens to spectator ions in a net ionic equation?

• They are included in the final equation

• They are removed from the equation

• They change their charge

• They form a new compound

How is charge conservation ensured in a net ionic equation?

• By adding extra ions

• By ensuring total charge is the same on both sides

• By removing all ions

• By balancing atoms only

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

• Balancing the molecular equation

• Identifying spectator ions

• Writing the states of substances

• Ensuring charge and atom balance

What is the significance of balancing atoms in a net ionic equation?

• It identifies spectator ions

• It determines the state of substances

• It changes the reaction outcome

• It ensures the equation is correct