Net Ionic Equations and Solubility

This video tutorial guides viewers through writing a balanced net ionic equation for the reaction between iron(III) nitrate and potassium iodide. It covers balancing the molecular equation, determining the states of substances using solubility rules, and splitting strong electrolytes into ions for the complete ionic equation. The tutorial also explains how to identify and remove spectator ions to derive the net ionic equation, ensuring that both the charge and atoms are balanced. The video concludes with a review of the final balanced net ionic equation.

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

• Write the complete ionic equation

• Balance the molecular equation

• Determine the solubility of compounds

• Identify the spectator ions

Which of the following is true about nitrates in aqueous solutions?

• They are insoluble

• They react with water

• They form a precipitate

• They are very soluble

What is the solubility status of iron(III) iodide?

• Highly reactive

• Soluble

• Insoluble

• Partially soluble

What forms when iron(III) nitrate reacts with potassium iodide?

• A precipitate

• An aqueous solution

• A liquid

• A gas

What is the role of solubility rules in writing net ionic equations?

• To determine reaction speed

• To identify spectator ions

• To predict precipitate formation

• To balance charges

What do you do with strong electrolytes in a complete ionic equation?

• Split them into ions

• Combine them

• Ignore them

• Convert them to solids

Which ions are considered spectator ions in this reaction?

• Iodide ions

• Iron ions

• Nitrate ions

• Potassium ions

What happens to the solid in the net ionic equation?

• It remains intact

• It is split into ions

• It reacts with water

• It dissolves

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

• Variable

• Zero

• Negative

• Positive

How do you ensure the net ionic equation is balanced?

• By checking the mass

• By counting atoms and charges

• By measuring the volume

• By adjusting the temperature