Net Ionic Equations and Electrolytes

This video tutorial explains how to write a balanced net ionic equation for the reaction between lead(II) nitrate and hydrogen sulfide. It covers balancing the molecular equation, determining the states of substances, and writing both the complete and net ionic equations. The tutorial also discusses the identification of spectator ions and the importance of charge conservation in chemical reactions.

What is the chemical formula for lead(II) nitrate?

• Pb(NO3)2

• Pb(NO2)2

• Pb(NO3)3

• Pb(NO2)3

Which of the following is a weak electrolyte in the reaction?

• Lead(II) nitrate

• Lead sulfide

• Hydrogen sulfide

• Nitric acid

How many nitrate ions are present on the reactant side after balancing the molecular equation?

• 4

• 1

• 2

• 3

What is the state of lead sulfide in the reaction?

• Liquid

• Solid

• Gas

• Aqueous

Which type of reaction is occurring when lead(II) nitrate reacts with hydrogen sulfide?

• Precipitation

• Combustion

• Synthesis

• Decomposition

What is the charge on the lead ion in the complete ionic equation?

• 1+

• 2+

• 3+

• 4+

Which ions are considered spectator ions in this reaction?

• Hydrogen ions

• Lead ions

• Nitrate ions

• Sulfide ions

What is the net ionic equation for the reaction?

• Pb^2+ + 2NO3^- + H2S -> PbS + 2H^+ + 2NO3^-

• Pb^2+ + H2S -> PbS + 2H^+

• Pb^2+ + 2NO3^- -> PbS + 2H^+

• Pb^2+ + 2H^+ -> PbS + H2S

Why is hydrogen sulfide not split into ions in the net ionic equation?

• It is a solid

• It is a liquid

• It is a weak electrolyte

• It is a strong electrolyte

What ensures that the net ionic equation is balanced?

• Equal number of ions on both sides

• Equal number of electrons on both sides

• Equal number of atoms on both sides

• Equal number of molecules on both sides