Colligative

At the same concentration, which salt will have the largest effect on the freezing point?

• C₂H₄O₂

• H₂S

• LiBr

• CaF₂

Which one of the following diagrams has the highest boiling point?

• 1

• 2

• 3

• 4

• 5

At the same concentration, which of the following will elevate (increase) boiling point the most?

• CH₃OH

• C₆H₁₂O₆

• KCl

• SrCl₂

Which of the following compounds have a van’t Hoff factor of 3 or higher? (choose all that apply)

• CO

• BaCl₂

• Na₃Al

• NH₄OH

• NH₃

When CaBr₂ is dissolved in water, how many particles will be in solution for each unit?

• 1

• 2

• 3

• 4

• 5

Colligative properties depend on the _____ of solute particles in solution.

• type

• number

• pH

• nature

The freezing point of a solution is ____ the freezing point of the pure solvent.

• the same as

• lower than

• higher than

• no relation to

The boiling point of a solution is ______ the boiling point of the pure solvent.

• higher than

• the same as

• lower than

• higher or lower than

The van't Hoff factor measures the number of particles formed in solution. What is the van't Hoff factor for the compound Na₂S?

• 1

• 3

• 5

• 7

Which of the following solutions will have the lowest freezing point?

• 1.0 mol/L sucrose (C₁₂H₂₂O₁₁)

• 1.0 mol/L lithium chloride (LiCl)

• 1.0 mol/L sodium phosphide (Na₃P)

• 1.0 mol/L magnesium fluoride (MgF₂)