Chemical Reactions and Ionic Equations

This video tutorial guides viewers through the process of writing a balanced net ionic equation for the reaction between iron and copper(II) nitrate. It begins with balancing the molecular equation, assigning states to each substance, and then splitting strong electrolytes into ions to form the total ionic equation. Spectator ions are identified and crossed out to derive the net ionic equation. The tutorial concludes with a presentation of the final net ionic equation, highlighting the transformation of reactants to products.

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

• Split compounds into ions

• Identify spectator ions

• Write the balanced molecular equation

• Determine the solubility of compounds

Which of the following is a characteristic of nitrates in a chemical reaction?

• They are always gases

• They are usually insoluble

• They are very soluble

• They form precipitates

What is the state of iron in the reaction between iron and copper(II) nitrate?

• Aqueous

• Gas

• Liquid

• Solid

What type of reaction is occurring between iron and copper(II) nitrate?

• Synthesis

• Decomposition

• Double displacement

• Single displacement

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

• 1+

• 2+

• 3+

• 0

Which ions are considered spectator ions in this reaction?

• Hydrogen ions

• Nitrate ions

• Copper ions

• Iron ions

What happens to spectator ions in the net ionic equation?

• They form a new compound

• They change their charge

• They are removed from the equation

• They are included in the equation

Why is it important to identify spectator ions in a reaction?

• They determine the reaction rate

• They are necessary for balancing the equation

• They do not participate in the reaction

• They change the color of the solution

What is the net ionic equation for the reaction between iron and copper(II) nitrate?

• Fe(NO3)2 + Cu → Fe + Cu(NO3)2

• Fe2+ + Cu → Fe + Cu2+

• Fe + Cu2+ → Fe2+ + Cu

• Fe + Cu(NO3)2 → Fe(NO3)2 + Cu

In the net ionic equation, what is the state of copper?

• Solid

• Gas

• Liquid

• Aqueous