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 bromide (KBr). It begins with balancing the molecular equation, then discusses the solubility rules to determine the states of the compounds involved. The tutorial proceeds to split the strong electrolytes into ions to form the complete ionic equation. Spectator ions are identified and removed to derive the net ionic equation. The video concludes with a summary of the process and the final net ionic equation.

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

• Split compounds into ions

• Determine the states of compounds

• Balance the molecular equation

• Identify spectator ions

According to solubility rules, which of the following is generally soluble?

• Silver chloride

• Potassium nitrate

• Silver bromide

• Silver iodide

What state is assigned to silver bromide in the reaction?

• Gas

• Liquid

• Aqueous

• Solid

What charge does the silver ion (Ag+) have?

• 2+

• 1+

• 1-

• 2-

Which ion is not split in the net ionic equation?

• Potassium ion

• Silver ion

• Silver bromide

• Nitrate ion

What are spectator ions?

• Ions that are insoluble

• Ions that form a precipitate

• Ions that do not change during the reaction

• Ions that participate in the reaction

Which ions are removed to form the net ionic equation?

• Ions with a positive charge

• Spectator ions

• Ions that form a solid

• Ions that are soluble

What is the net ionic equation for the reaction between AgNO3 and KBr?

• Ag+ + K+ → AgK

• Ag+ + NO3- → AgNO3

• Ag+ + Br- → AgBr

• K+ + Br- → KBr

Why is the net ionic equation considered balanced?

• It has equal numbers of atoms on both sides

• It has equal charges on both sides

• It has equal numbers of molecules on both sides

• It has equal numbers of ions on both sides

What is the final product formed in the reaction between silver nitrate and potassium bromide?

• Potassium bromide

• Silver nitrate

• Silver bromide

• Potassium nitrate