Net Ionic Equations and Reactions

This video tutorial explains how to write a balanced net ionic equation for the reaction between hydrochloric acid (HCl) and barium carbonate (BaCO3). It covers balancing the molecular equation, determining the states of substances, splitting strong electrolytes into ions for the complete ionic equation, and identifying spectator ions to derive the net ionic equation. The tutorial concludes with a discussion on charge conservation and the importance of balancing equations.

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

• Balance the molecular equation

• Determine the states of substances

• Identify spectator ions

• Split strong electrolytes into ions

Which of the following is true about barium carbonate in the reaction?

• It is a strong acid

• It is soluble in water

• It is a solid

• It dissociates into ions

What is the state of hydrochloric acid in the reaction?

• Gas

• Liquid

• Solid

• Aqueous

What is the state of carbon dioxide in the reaction?

• Aqueous

• Gas

• Liquid

• Solid

What is the charge of the hydrogen ion in the complete ionic equation?

• 1+

• 2+

• 2-

• 1-

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

• 2+

• 1+

• 1-

• 2-

Why are spectator ions removed in the net ionic equation?

• They form a precipitate

• They are insoluble

• They are not involved in the reaction

• They change the charge balance

Which ion is not split in the net ionic equation?

• Chloride ion

• Carbonate ion

• Hydrogen ion

• Barium ion

What ensures that the net ionic equation is balanced?

• Equal number of atoms on both sides

• Unequal number of molecules

• Presence of spectator ions

• Different charges on both sides

What is conserved in the net ionic equation?

• Mass only

• Charge only

• Both mass and charge

• Neither mass nor charge