Net Ionic Equations and Spectator Ions

The video tutorial explains how to balance a net ionic equation using FeBr3 and K3PO4 as examples. It covers balancing the molecular equation, determining the states of substances, creating the complete ionic equation, and identifying spectator ions. The tutorial concludes with the final net ionic equation, ensuring charge and atom balance.

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

• Balance the molecular equation

• Identify spectator ions

• Determine the solubility of compounds

• Write the complete ionic equation

When balancing the molecular equation, what coefficient is placed in front of KBr?

• 1

• 2

• 4

• 3

Which of the following compounds is generally insoluble unless paired with a group 1 element?

• Bromide ion

• Phosphate ion

• Potassium phosphate

• Iron(III) bromide

What is the state of iron(III) phosphate in the reaction?

• Solid

• Aqueous

• Gas

• Liquid

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

• Convert them to solids

• Leave them as compounds

• Split them into ions

• Combine them

Which ions are considered spectator ions in this reaction?

• Iron(III) ions

• Phosphate ions

• Potassium ions

• Bromide ions

What is the net charge on both sides of the net ionic equation?

• Variable

• Zero

• Negative

• Positive

What happens to spectator ions in the net ionic equation?

• They are halved

• They are doubled

• They are removed

• They are included

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

• 0

• +1

• +2

• +3

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

• Check for spectator ions

• Ensure charge balance

• Rebalance the molecular equation

• Determine solubility