Understanding Precipitation Reactions

What is the primary driving force behind a precipitation reaction?

• Release of heat

• Absorption of light

• Formation of a gas

• Formation of a solid

In the example of lead(II) nitrate and potassium iodide, what is the precipitate formed?

• Potassium nitrate

• Lead(II) iodide

• Lead(II) nitrate

• Potassium iodide

What happens to ionic compounds when they dissolve in water?

• They form a gas

• They become more concentrated

• They dissociate into ions

• They change color

Which ions combine to form the precipitate in the reaction between silver nitrate and potassium chromate?

• Potassium and nitrate ions

• Silver and chromate ions

• Potassium and chromate ions

• Silver and nitrate ions

What type of reactions do most precipitation reactions resemble?

• Synthesis reactions

• Decomposition reactions

• Single or double replacement reactions

• Combustion reactions

In the reaction between silver nitrate and potassium chloride, what is the precipitate?

• Silver chloride

• Potassium nitrate

• Silver nitrate

• Potassium chloride

Which compound is insoluble in water, forming a precipitate in the reaction between aluminum sulfate and barium chloride?

• Aluminum chloride

• Barium chloride

• Barium sulfate

• Aluminum sulfate

In the reaction between calcium chloride and sodium phosphate, which compound forms the precipitate?

• Calcium phosphate

• Sodium chloride

• Sodium phosphate

• Calcium chloride

What is the precipitate formed in the reaction between lead(II) nitrate and potassium sulfate?

• Potassium nitrate

• Lead(II) sulfate

• Lead(II) nitrate

• Potassium sulfate

In the practice problem with ammonium carbonate and barium chlorate, what is the precipitate?

• Ammonium chlorate

• Ammonium carbonate

• Barium chlorate

• Barium carbonate