Net Ionic Equations and Reactions

The video tutorial explains how to write a balanced net ionic equation for the reaction between cadmium nitrate and sodium sulfide. It begins by balancing the molecular equation, then determines the states of the substances involved, highlighting the solubility rules and the formation of a precipitate. The tutorial proceeds to split strong electrolytes into ions to form the complete ionic equation, identifies and removes spectator ions, and finally presents the net ionic equation. The tutorial emphasizes the importance of balancing charges and atoms in the equation.

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

• Determine solubility

• Balance the molecular equation

• Write the complete ionic equation

• Identify spectator ions

How do you balance the nitrate ions in the reaction between cadmium nitrate and sodium sulfide?

• Add a coefficient of 3 to cadmium nitrate

• Add a coefficient of 2 to sodium nitrate

• Add a coefficient of 2 to cadmium sulfide

• Add a coefficient of 3 to sodium sulfide

Which of the following compounds is generally insoluble?

• Sodium nitrate

• Cadmium sulfide

• Sodium sulfide

• Cadmium nitrate

What type of reaction occurs when cadmium sulfide forms in the test tube?

• Redox reaction

• Precipitation reaction

• Acid-base reaction

• Combustion reaction

What is the purpose of splitting strong electrolytes into ions?

• To balance the equation

• To identify the precipitate

• To write the complete ionic equation

• To determine solubility

Which ions are considered spectator ions in the reaction?

• Sulfide ions

• Nitrate ions

• Cadmium ions

• Cadmium sulfide

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

• Positive one

• Negative two

• Positive two

• Zero

Why do we not split solids in net ionic equations?

• They are not strong electrolytes

• They do not dissolve in water

• They do not participate in the reaction

• They are already balanced

What is the final step in writing a net ionic equation?

• Balancing the atoms

• Crossing out spectator ions

• Determining solubility

• Writing the molecular equation

How do you ensure the net ionic equation is balanced?

• By checking the solubility

• By ensuring equal charges and atoms on both sides

• By identifying spectator ions

• By writing the complete ionic equation