Nitrate Ion and Reaction Properties

The video tutorial demonstrates the creation of aqueous solutions using lead nitrate and potassium iodide. It explains the solubility properties of nitrate and iodide ions, highlighting their low charge density and solubility in water. The tutorial then showcases a precipitation reaction where lead ions react with iodide ions to form lead iodide, a yellow precipitate, illustrating the concept of double replacement reactions.

What are the two substances used in the experiment?

• Sodium nitrate and potassium iodide

• Lead nitrate and potassium iodide

• Potassium iodide and sodium chloride

• Lead nitrate and sodium chloride

What type of solutions are prepared with lead nitrate and potassium iodide?

• Non-aqueous solutions

• Aqueous solutions

• Solid solutions

• Gaseous solutions

Why are lead nitrate and potassium iodide soluble in water?

• Because they have low charge density

• Because they form strong ionic bonds

• Because they have high lattice energy

• Because they are both gases

What is the chemical formula for the nitrate ion?

• NO4

• NO3

• NO2

• NO

Why is the nitrate ion highly soluble in water?

• Because it has a high charge density

• Because it is a small ion

• Because it forms strong covalent bonds

• Because it has a low charge density

What is the charge on the potassium ion in potassium iodide?

• +2

• -2

• -1

• +1

What type of reaction occurs when lead nitrate and potassium iodide solutions are mixed?

• Single replacement reaction

• Double replacement reaction

• Decomposition reaction

• Synthesis reaction

What is the precipitate formed in the reaction between lead nitrate and potassium iodide?

• Potassium iodide

• Potassium nitrate

• Lead iodide

• Lead nitrate

What color is the precipitate formed in the reaction?

• Green

• Yellow

• Blue

• White

What remains in the solution after the precipitate forms?

• Only lead ions

• Only water

• Potassium ions and nitrate ions

• Lead ions and iodide ions