Net Ionic Equations and Electrolytes

The video tutorial guides viewers through writing the balanced net ionic equation for the reaction between iron(III) hydroxide and nitric acid. It begins with balancing the molecular equation, assigning states to each substance, and forming the complete ionic equation. Spectator ions are identified and removed to derive the net ionic equation. The tutorial concludes by ensuring the equation is balanced in terms of both charge and atoms.

What is the first step in balancing the molecular equation for the reaction between iron(III) hydroxide and nitric acid?

• Balance the number of nitrate groups.

• Identify the spectator ions.

• Determine the solubility of the reactants.

• Write the net ionic equation.

Why is iron(III) hydroxide considered insoluble in this reaction?

• It is a strong acid.

• It is a strong electrolyte.

• It is a hydroxide with a transition metal.

• It is a liquid at room temperature.

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

• Iron(III) hydroxide

• Water

• Nitric acid

• Iron(III) ion

What is the purpose of splitting strong electrolytes into their ions?

• To balance the molecular equation.

• To determine the solubility of the substances.

• To write the complete ionic equation.

• To identify the spectator ions.

Which ions are considered spectator ions in this reaction?

• Hydrogen ions

• Nitrate ions

• Hydroxide ions

• Iron(III) ions

What is the net ionic equation for the reaction between iron(III) hydroxide and nitric acid?

• Fe3+ + 3OH- → Fe(OH)3

• Fe(OH)3 + 3H+ → Fe3+ + 3H2O

• 3H+ + 3NO3- → 3HNO3

• Fe(OH)3 + 3HNO3 → Fe(NO3)3 + 3H2O

How is charge conservation demonstrated in the net ionic equation?

• The total charge is the same on both sides.

• The total charge is negative on both sides.

• The total charge is positive on both sides.

• The total charge is zero on both sides.

What is the charge of the iron(III) ion in the net ionic equation?

• 0

• 1+

• 3+

• 2+

Why is water not split into ions in the net ionic equation?

• It is a weak acid.

• It is a solid.

• It is a strong electrolyte.

• It is a liquid and not an electrolyte.

What ensures that the net ionic equation is balanced?

• Equal number of molecules on both sides.

• Equal number of atoms and charge on both sides.

• Equal number of compounds on both sides.

• Equal number of ions on both sides.