Net Ionic Equations and Reactions

This video tutorial explains how to balance the net ionic equation for the reaction between copper(II) sulfate and ammonium hydroxide. It begins with balancing the molecular equation, followed by determining the states of each substance. The tutorial then covers splitting strong electrolytes into ions to form the complete ionic equation. Spectator ions are identified and removed to derive the net ionic equation. The video concludes with a review of the balanced net ionic equation, ensuring charge conservation and atom balance.

What is the first step in balancing net ionic equations?

• Identify spectator ions

• Balance the molecular equation

• Determine solubility

• Write the net ionic equation

How many ammonium ions are needed to balance the molecular equation?

• One

• Three

• Two

• Four

Which of the following compounds is generally insoluble?

• Ammonium sulfate

• Copper(II) hydroxide

• Ammonium hydroxide

• Copper(II) sulfate

What type of reaction occurs when a solid forms from two aqueous solutions?

• Combustion reaction

• Redox reaction

• Precipitation reaction

• Acid-base reaction

What is the charge of the sulfate ion?

• 2-

• 2+

• 1-

• 1+

Which ion is not split apart in the complete ionic equation?

• Copper(II) hydroxide

• Ammonium ion

• Sulfate ion

• Copper(II) ion

What are spectator ions?

• Ions that form a precipitate

• Ions that participate in the reaction

• Ions that are insoluble

• Ions that do not change during the reaction

Which ions are crossed out to find the net ionic equation?

• Spectator ions

• Ions that are not present in the products

• Ions that form a solid

• Ions with a charge of 2+

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

• 2-

• 1+

• 2+

• 0

What ensures that the net ionic equation is correctly balanced?

• Equal number of ions on both sides

• Equal number of molecules on both sides

• Presence of a precipitate

• Equal number of atoms on both sides