Balancing Chemical Equations and Ions

The video tutorial explains how to write a balanced net ionic equation for the reaction between lead(II) nitrate and ammonium iodide. It begins with balancing the molecular equation, followed by determining the states of each substance using solubility rules. The tutorial then demonstrates how to write the complete ionic equation by splitting strong electrolytes into ions. Finally, it shows how to derive the net ionic equation by crossing out spectator ions, ensuring charge and atom balance.

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

• Pb(NO3)2

• Pb(NO2)2

• PbN2O6

• PbN2O4

Which coefficient should be placed in front of ammonium nitrate to balance the nitrates in the equation?

• 1

• 2

• 3

• 4

What is the state of ammonium iodide in the reaction?

• Solid

• Liquid

• Gas

• Aqueous

Which of the following compounds is insoluble in water?

• Lead(II) nitrate

• Ammonium iodide

• Lead(II) iodide

• Ammonium nitrate

What is the charge on the nitrate ion?

• 1+

• 1-

• 2-

• 2+

In the complete ionic equation, which ion is not split into its components?

• Iodide ion

• Lead(II) iodide

• Nitrate ion

• Ammonium ion

What is the charge on the lead ion in lead(II) nitrate?

• 1+

• 4+

• 3+

• 2+

Which ions are considered spectator ions in this reaction?

• Lead and iodide

• Ammonium and nitrate

• Lead and nitrate

• Ammonium and iodide

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

• 2+

• 0

• 1-

• 1+

What type of reaction is demonstrated in the video?

• Combustion

• Synthesis

• Decomposition

• Precipitation