Net Ionic Equations and Spectator Ions

The video tutorial explains how to write and balance a net ionic equation for the reaction between iron(III) nitrate and sodium sulfate. It begins with balancing the molecular equation, followed by determining the solubility and states of the substances involved. The tutorial then demonstrates how to form the complete ionic equation and identify spectator ions to derive the net ionic equation. The video concludes by emphasizing the conservation of charge and the balance of atoms in the final equation.

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

• Determine the solubility of compounds

• Balance the molecular equation

• Write the complete ionic equation

• Identify spectator ions

Why is it important to know the solubility rules when writing net ionic equations?

• To determine the color of the compounds

• To identify the state of each substance

• To calculate the molecular weight

• To predict the reaction speed

Which of the following ions is always soluble in water?

• Sulfate ion

• Nitrate ion

• Carbonate ion

• Phosphate ion

What is the charge of the iron ion in the complete ionic equation?

• 1+

• 2+

• 3+

• 4+

In the complete ionic equation, which ion is paired with a 2- charge?

• Nitrate ion

• Sulfate ion

• Sodium ion

• Iron ion

What are spectator ions?

• Ions that participate in the reaction

• Ions that are insoluble

• Ions that do not change during the reaction

• Ions that form a precipitate

Which ions are removed to form the net ionic equation?

• Precipitate ions

• Spectator ions

• Reactant ions

• Product ions

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

• Variable

• Zero

• Negative

• Positive

Why is it important to ensure that the net ionic equation is balanced?

• To ensure the reaction is possible

• To make the equation look neat

• To predict the color of the products

• To conserve mass and charge

What does the net ionic equation represent?

• Only the ions that participate in the reaction

• All ions present in the solution

• The speed of the reaction

• The total mass of the reactants