Net Ionic Equations and Spectator Ions

This video tutorial explains how to write the net ionic equation for the reaction between zinc oxide and sulfuric acid. It begins with balancing the molecular equation, then assigns states to each substance based on solubility rules. The tutorial proceeds to split strong electrolytes into ions to form the complete ionic equation. Spectator ions are identified and removed to derive the net ionic equation, ensuring that charges and atoms are balanced on both sides.

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

• Identify spectator ions

• Balance the molecular equation

• Split strong electrolytes into ions

• Write the states of substances

Which of the following is a characteristic of sulfuric acid in this reaction?

• It is a weak acid

• It remains a solid

• It dissociates into ions

• It is insoluble in water

What is the state of zinc oxide in the reaction?

• Solid

• Aqueous

• Liquid

• Gas

What is the charge of the hydrogen ion in sulfuric acid?

• 2+

• 1+

• 1-

• 2-

Which ion is considered a spectator ion in this reaction?

• Zinc ion

• Hydrogen ion

• Sulfate ion

• Oxide ion

What do you do with spectator ions in a net ionic equation?

• Include them in the final equation

• Cross them out

• Convert them to solids

• Change their charges

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

• 1-

• 1+

• 2+

• 2-

Why is it important to ensure the charges are balanced in a net ionic equation?

• To make the equation look neat

• To ensure the reaction is possible

• To determine the state of substances

• To identify spectator ions

What is the final product that remains unsplit in the net ionic equation?

• Water

• Hydrogen ion

• Sulfate ion

• Zinc ion

What is the significance of the net ionic equation?

• It lists all reactants and products

• It balances the molecular equation

• It highlights the main chemical change

• It shows all ions present