Net Ionic Equations and Spectator Ions

The video tutorial explains how to balance the net ionic equation for the reaction between copper(II) chloride and ammonium hydroxide. It begins with balancing the molecular equation, followed by determining the solubility and states of the substances involved. The tutorial then demonstrates how to write the complete ionic equation and identify spectator ions to derive the net ionic equation. The process ensures that both charge and atom balance are achieved, resulting in a balanced net ionic equation.

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

• Determine the solubility of compounds

• Balance the molecular equation

• Write the net ionic equation

• Identify spectator ions

How many chlorine atoms are needed to balance the molecular equation for copper(II) chloride and ammonium hydroxide?

• Two

• One

• Three

• Four

Which of the following is generally insoluble?

• Ammonium ion

• Sodium ion

• Chloride ion

• Copper(II) hydroxide

What is the state of copper(II) hydroxide in the reaction?

• Solid

• Aqueous

• Liquid

• Gas

What charge does the copper ion have in the complete ionic equation?

• 2+

• 0

• 1+

• 3+

Which ions are considered spectator ions in this reaction?

• Copper ions

• Hydroxide ions

• Ammonium ions

• None

What is the purpose of removing spectator ions in a net ionic equation?

• To identify the precipitate

• To determine solubility

• To simplify the equation

• To balance the charge

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

• 0

• 2+

• 1-

• 1+

What is the final product formed in the net ionic equation?

• Ammonium chloride

• Copper(II) chloride

• Copper(II) hydroxide

• Water

Why is it important to ensure the atoms are balanced in the net ionic equation?

• To determine the reaction temperature

• To comply with the law of conservation of mass

• To ensure the reaction is feasible

• To predict the reaction rate