Net Ionic Equations and Reactions

The video tutorial explains how to write a balanced net ionic equation for the reaction between barium hydroxide and aluminum nitrate. It begins with balancing the molecular equation, addressing the challenges of odd numbers of ions. The tutorial then discusses the states of the substances involved, highlighting solubility and the formation of a precipitate. The complete ionic equation is broken down into individual ions, and spectator ions are identified and removed to derive the net ionic equation. Finally, the coefficients are simplified to present the final balanced net ionic equation.

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

• Write the balanced molecular equation

• Determine the states of substances

• Split strong electrolytes into ions

• Identify spectator ions

How do you balance the hydroxide ions in the reaction between barium hydroxide and aluminum nitrate?

• Remove excess hydroxide ions

• Adjust the coefficients to have equal hydroxides

• Add more aluminum nitrate

• Add water to the reaction

Which of the following is considered a strong base and is aqueous in the reaction?

• Aluminum hydroxide

• Barium hydroxide

• Barium nitrate

• Aluminum nitrate

What is the state of aluminum hydroxide in the reaction?

• Liquid

• Solid

• Gas

• Aqueous

What is the charge of barium ions in the complete ionic equation?

• 1+

• 2+

• 3+

• 0

Which ions are considered spectator ions in this reaction?

• Only barium ions

• Only nitrate ions

• Hydroxide and aluminum ions

• Barium and nitrate ions

What is the purpose of removing spectator ions in a net ionic equation?

• To simplify the equation

• To balance the equation

• To change the reaction products

• To increase the reaction rate

How can the coefficients in the net ionic equation be simplified?

• By subtracting one

• By adding one

• By dividing by two

• By multiplying by two

In the net ionic equation, which ion is written first?

• Negative ion

• Positive ion

• Water molecule

• Neutral molecule

What is the final net ionic equation for the reaction between barium hydroxide and aluminum nitrate?

• 2Al^3+ + 3OH^- → Al(OH)3

• 3Ba^2+ + 2Al^3+ → 3BaAl

• 2Al^3+ + 6OH^- → 2Al(OH)3

• 3Ba^2+ + 6OH^- → 3Ba(OH)2