Net Ionic Equations and Spectator Ions

The video tutorial explains how to write a balanced net ionic equation for the reaction between sodium carbonate and lead(II) acetate. It begins by balancing the molecular equation, then identifies the solubility states of the compounds involved. The tutorial proceeds to form the complete ionic equation by splitting strong electrolytes into ions, and then derives the net ionic equation by removing spectator ions. Finally, it ensures the charge balance of the net ionic equation, resulting in a neutral compound.

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

• Write the complete ionic equation

• Determine the solubility of compounds

• Balance the molecular equation

• Identify the spectator ions

How many sodium atoms are present in the balanced molecular equation for sodium carbonate and lead(II) acetate?

• One

• Four

• Two

• Three

Which of the following compounds is generally soluble?

• Calcium carbonate

• Barium sulfate

• Sodium carbonate

• Lead(II) carbonate

What is the state of lead(II) carbonate in the reaction?

• Aqueous

• Solid

• Liquid

• Gas

What is the purpose of splitting strong electrolytes into ions?

• To form the complete ionic equation

• To balance the equation

• To identify spectator ions

• To determine solubility

Why is lead(II) carbonate not split into ions in the complete ionic equation?

• It is a solid

• It is a weak electrolyte

• It is a gas

• It is a liquid

What are spectator ions?

• Ions that participate in the reaction

• Ions that do not change during the reaction

• Ions that form a precipitate

• Ions that are gases

Which ions are removed to derive the net ionic equation?

• All ions

• Ions that are gases

• Only the ions that form a solid

• Spectator ions

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

• Depends on the reaction

• Negative

• Positive

• Zero

What ensures that the net ionic equation is balanced?

• Equal number of molecules on both sides

• Equal number of atoms on both sides

• Equal number of compounds on both sides

• Equal number of electrons on both sides