Chemical Reactions and Ionic Equations

This video tutorial explains how to write a balanced net ionic equation for the reaction between barium chloride and lead(II) nitrate. It begins with balancing the molecular equation, followed by determining the solubility and states of the compounds involved. The tutorial then demonstrates how to split 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 by ensuring charge conservation and balanced atoms in the final equation.

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

• Determine the solubility of compounds

• Write the states of each substance

• Balance the molecular equation

• Identify spectator ions

Which of the following is generally soluble in water?

• Silver chloride

• Calcium sulfate

• Barium chloride

• Lead(II) chloride

What happens to lead(II) chloride in water?

• It forms a precipitate

• It remains unchanged

• It reacts with water

• It dissolves completely

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

• 2+

• 1+

• 1-

• 2-

How many chloride ions are present in the complete ionic equation for barium chloride?

• Four

• One

• Two

• Three

What is the role of spectator ions in a chemical reaction?

• They form new compounds

• They remain unchanged

• They change the state of the reaction

• They participate in the reaction

Which ions are considered spectator ions in the reaction between barium chloride and lead(II) nitrate?

• Barium and nitrate ions

• Chloride and nitrate ions

• Barium and lead ions

• Lead and chloride ions

What is the net charge of the final net ionic equation?

• Negative

• Zero

• Variable

• Positive

Why is it sometimes preferred to write the positive ion first in net ionic equations?

• It is required for charge balance

• It looks more organized

• It is a strict rule

• It changes the reaction outcome

What is the final product formed in the reaction between barium chloride and lead(II) nitrate?

• Barium chloride

• Barium nitrate

• Lead(II) chloride

• Lead(II) nitrate