Net Ionic Equations and Reactions

The video tutorial explains how to balance a net ionic equation for the reaction between magnesium and zinc chloride. It covers balancing the molecular equation, identifying the states of substances, and understanding the single displacement reaction. The tutorial also demonstrates forming the complete ionic equation, identifying spectator ions, and deriving the net ionic equation. Finally, it emphasizes the importance of balancing charges and atoms to ensure the equation is correct.

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

• Determine the solubility of compounds

• Identify spectator ions

• Balance the molecular equation

• Write the complete ionic equation

What is the state of magnesium in the reaction?

• Solid

• Gas

• Aqueous

• Liquid

Why are chlorides considered very soluble?

• They are always in solid form

• They react with metals

• They dissolve and dissociate into ions

• They form gases easily

What type of reaction occurs when magnesium displaces zinc?

• Double displacement

• Decomposition

• Single displacement

• Synthesis

What is formed when magnesium reacts with zinc chloride?

• Magnesium oxide

• Zinc sulfate

• Magnesium chloride

• Zinc oxide

What are spectator ions?

• Ions that are gases

• Ions that do not change during the reaction

• Ions that form precipitates

• Ions that participate in the reaction

Which ions are crossed out in the complete ionic equation?

• Ions that are only in the reactants

• Ions that are only in the products

• All ions

• Spectator ions

What must be conserved in a balanced net ionic equation?

• Both charge and mass

• Charge only

• Mass only

• Volume

What is the charge on magnesium in the net ionic equation?

• 0

• +1

• -1

• +2

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

• Balancing the molecular equation

• Ensuring charge and atom balance

• Identifying spectator ions

• Writing the states of substances