Net Ionic Equations and Spectator Ions

The video tutorial explains how to write a balanced net ionic equation for the reaction between silver nitrate (AgNO3) and potassium chromate (K2CrO4). It begins with balancing the molecular equation, followed by determining the solubility and states of the compounds. The tutorial then breaks down the complete ionic equation into individual ions and identifies spectator ions to form the net ionic equation. The video concludes by ensuring charge conservation and verifying that the equation is balanced.

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

• Determine the solubility of compounds

• Balance the molecular equation

• Identify spectator ions

• Write the complete ionic equation

Which of the following compounds is typically insoluble?

• Potassium nitrate

• Ammonium sulfate

• Sodium chloride

• Silver chromate

What does 'aq' signify when writing the state of a compound?

• The compound is a solid

• The compound is a liquid

• The compound is a gas

• The compound is dissolved in water

What charge does a silver ion typically have?

• 2-

• 1-

• 1+

• 2+

In the complete ionic equation, which ions are not split apart?

• Gaseous compounds

• Solid compounds

• Liquid compounds

• Aqueous ions

What are spectator ions?

• Ions that are gases

• Ions that participate in the reaction

• Ions that do not change during the reaction

• Ions that form a precipitate

Which ions are removed to form the net ionic equation?

• Only solid ions

• Only aqueous ions

• All ions

• Spectator ions

What is the net charge of the reactants in the net ionic equation?

• 2-

• 2+

• 0

• 1-

Why is it important to verify the charge balance in a net ionic equation?

• To ensure the equation is balanced

• To identify spectator ions

• To find the molecular weight

• To determine solubility

What is the final step in confirming a balanced net ionic equation?

• Checking the solubility

• Writing the molecular equation

• Counting the atoms

• Identifying the products