Net Ionic Equations and Reactions

The video tutorial explains how to write the net ionic equation for the reaction between sodium and water. It begins with balancing the molecular equation, identifying the states of each substance, and then splitting soluble compounds into ions. The tutorial proceeds to write the total ionic equation and discusses the concept of spectator ions. Finally, it concludes that the total ionic equation is also the net ionic equation due to the absence of common ions on both sides.

What is the first step in writing the net ionic equation for sodium reacting with water?

• Determine the states of substances

• Split compounds into ions

• Balance the molecular equation

• Identify the spectator ions

Which state is assigned to sodium in the reaction with water?

• Solid

• Liquid

• Aqueous

• Gas

What is the state of sodium hydroxide in the reaction?

• Gas

• Liquid

• Aqueous

• Solid

When splitting sodium hydroxide into ions, what charge does the sodium ion have?

• Negative

• Positive

• Neutral

• Variable

What is the charge of the hydroxide ion in the reaction?

• Positive

• Negative

• Variable

• Neutral

How many sodium ions are present in the total ionic equation?

• Three

• Two

• Four

• One

What is the term for ions that appear on both sides of a chemical equation?

• Product ions

• Spectator ions

• Neutral ions

• Reactant ions

Why can't any ions be crossed out in the net ionic equation for sodium and water?

• All ions are different on both sides

• All ions are the same on both sides

• There are no ions present

• The equation is not balanced

What is the final form of the equation when no spectator ions can be crossed out?

• Molecular equation

• Net ionic equation

• Balanced equation

• Total ionic equation

Who is the presenter of the net ionic equation tutorial?

• Dr. C

• Dr. B

• Dr. A

• Dr. D