Net Ionic Equations and Spectator Ions

The video tutorial explains how to write a balanced net ionic equation for the reaction between calcium nitrate and ammonium oxalate. It begins by balancing the molecular equation, then discusses the solubility of the compounds involved, identifying calcium oxalate as a precipitate. The tutorial proceeds to split strong electrolytes into ions for the complete ionic equation and identifies spectator ions to derive the net ionic equation. The final net ionic equation is balanced in terms of both charge and atoms.

What is the first step in balancing the molecular equation for calcium nitrate and ammonium oxalate?

• Determine the solubility

• Write the net ionic equation

• Balance the nitrate ions

• Identify the precipitate

Which ion is used to determine the solubility of compounds in this reaction?

• Ammonium ion

• Nitrate ion

• Oxalate ion

• Calcium ion

What happens to calcium oxalate in the reaction?

• It dissolves in water

• It forms a gas

• It precipitates as a solid

• It remains as ions

What is the purpose of splitting strong electrolytes into ions?

• To identify the precipitate

• To determine solubility

• To balance the equation

• To form the complete ionic equation

Which ions are not split in the complete ionic equation?

• Spectator ions

• Solid precipitate ions

• Nitrate ions

• Ammonium ions

What are spectator ions?

• Ions that form a precipitate

• Ions that do not participate in the reaction

• Ions that are insoluble

• Ions that balance the charge

How do you derive the net ionic equation?

• By balancing the molecular equation

• By determining solubility

• By removing spectator ions

• By identifying the precipitate

What must be verified in the final net ionic equation?

• The solubility of compounds

• The formation of a precipitate

• The balance of charge and atoms

• The presence of spectator ions

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

• Negative

• Variable

• Zero

• Positive

Who is the narrator of the video?

• Dr. A

• Dr. B

• Dr. C

• Dr. D