Golden Rain Experiment

The name of the precipitate formed in this experiment is:

• Lead (II) nitrate

• Potassium iodide

• Lead (II) iodide

• Potassium nitrate

The colour of the solid formed during the golden rain experiment is:

• Blue

• White

• Yellow

• Colourless

Which of the following is added after dissolving lead(II) nitrate?

• Water

• Sodium hydroxide solution

• Copper (II) sulfate solution

• Hydrochloric acid

What is the chemical formula of lead(II) iodide?

• KI

• PbI2

• KNO3

• Pb(NO3)2

Heating the solution cause the __________ to increase.

The reaction occur in the golden rain experiment is called:

• Double displacement reaction

• Displacement reaction

• Substitution reaction

• Addition reaction

Double displacement reaction often result in a product that is a ___________.

Which factor(s) can affect the rate of crystal formation in the Golden Rain experiment?

• Temperature

• Concentration of reactants

• Stirring speed

• All of the above

We should wear protective gloves in this experiment because lead(II) iodide is _____

As the solution cools down, the dropping temperature forces lead iodide to precipitate back out of solution.

• True

• False