Net Ionic Equations and Spectator Ions

The video tutorial explains how to write a balanced net ionic equation for the reaction between copper(II) sulfate and sodium bicarbonate. It begins by balancing the molecular equation, then discusses the states of the substances involved, highlighting the solubility rules and identifying the precipitate. The tutorial proceeds to form the complete ionic equation, identifying and removing spectator ions to derive the net ionic equation. The importance of charge balance is emphasized, and the tutorial concludes with a summary of the process.

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

• Balance the molecular equation

• Write the complete ionic equation

• Identify the spectator ions

• Determine the precipitate

Which of the following is generally soluble?

• Copper(II) carbonate

• Sodium carbonate

• Calcium carbonate

• Lead(II) sulfate

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

• Solid

• Gas

• Liquid

• Aqueous

What do you obtain by splitting strong electrolytes into ions?

• Net ionic equation

• Molecular equation

• Complete ionic equation

• Balanced equation

What are spectator ions?

• Ions that do not change during the reaction

• Ions that form the precipitate

• Ions that are gases

• Ions that participate in the reaction

Which ions are removed to form the net ionic equation?

• Precipitate ions

• Product ions

• Reactant ions

• Spectator ions

Why is copper(II) carbonate not split into ions in the net ionic equation?

• It is a solid precipitate

• It is an aqueous solution

• It is a liquid

• It is a gas

What must be conserved in a net ionic equation?

• Mass only

• Charge only

• Both mass and charge

• Neither mass nor charge

What is the charge on the left side of the net ionic equation?

• +1

• -2

• +2

• 0

Who is the presenter of the video?

• Dr. A

• Dr. C

• Dr. B

• Dr. D