Net Ionic Equations and Electrolytes

The video tutorial explains how to write a balanced net ionic equation for the reaction between zinc and iron(III) chloride. It begins with balancing the molecular equation, assigning states to each substance, and splitting strong electrolytes into ions. The tutorial then identifies and removes spectator ions to form the net ionic equation, ensuring that charge and atoms are balanced on both sides.

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

• Assign states to each substance

• Balance the molecular equation

• Identify spectator ions

• Write the complete ionic equation

Why do we adjust coefficients in a chemical equation?

• To change the reaction products

• To balance the number of atoms on each side

• To make the equation more complex

• To increase the reaction rate

What state is assigned to zinc in the reaction?

• Aqueous

• Gas

• Liquid

• Solid

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

• Water

• Oxygen

• Iron(III) chloride

• Zinc

What is the purpose of writing a complete ionic equation?

• To identify the products of the reaction

• To show all ions present in the reaction

• To balance the charges

• To simplify the equation

What are spectator ions?

• Ions that are only in the products

• Ions that are only in the reactants

• Ions that do not change during the reaction

• Ions that participate in the reaction

How do you derive the net ionic equation?

• By removing spectator ions

• By adding more reactants

• By balancing the equation again

• By changing the products

What must be conserved in a net ionic equation?

• Charge and mass

• Volume only

• Temperature

• Mass only

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

• 1+

• 2+

• 3+

• 0

What is the final step in confirming a balanced net ionic equation?

• Checking the solubility of products

• Ensuring the equation is complex

• Adding more reactants

• Verifying charge and atom balance