Net Ionic Equations and Spectator Ions

The video tutorial explains how to write a balanced net ionic equation for a reaction between tin metal and copper(II) nitrate. It covers the steps of balancing the molecular equation, determining the states of substances, writing the complete ionic equation, and identifying spectator ions to derive the net ionic equation. The tutorial emphasizes the importance of balancing charges and atoms in the equation.

What type of reaction occurs between tin metal and copper(II) nitrate?

• Single displacement

• Synthesis

• Decomposition

• Double displacement

Why is copper(II) nitrate considered aqueous in the reaction?

• Because it is a gas

• Because it is insoluble

• Because nitrates are generally soluble

• Because it is a solid

What is the state of tin metal in the reaction?

• Aqueous

• Gas

• Liquid

• Solid

How do you determine the charge of the copper ion in copper(II) nitrate?

• By using the periodic table

• By guessing

• By knowing the nitrate ion is 1- and balancing the charges

• By assuming it is neutral

What is the charge of the tin ion in the products?

• 1+

• 2+

• 3+

• Neutral

What are spectator ions?

• Ions that participate in the reaction

• Ions that change during the reaction

• Ions that remain unchanged and appear on both sides of the equation

• Ions that are only in the reactants

Which ions are identified as spectator ions in this reaction?

• Nitrate ions

• Copper ions

• Tin ions

• Hydrogen ions

What is the purpose of removing spectator ions from the complete ionic equation?

• To change the reaction type

• To add more ions

• To make the equation longer

• To simplify the equation

What must be balanced in a net ionic equation?

• Neither atoms nor charges

• Both atoms and charges

• Only the charges

• Only the atoms

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

• Counting the number of molecules

• Ensuring the equation is written in pencil

• Verifying that both charge and atoms are balanced

• Checking the color of the solution