Colligative Properties of Water

The freezing point of a solution is lower than that of the solvent from which it is formed.

• True

• False

Colligative properties include

• freezing point

• boiling point

• osmotic pressure

• all of the above

Adding a nonvolatile solute to a liquid will ___.

• depress both the freezing point and the boiling point

• elevate both the freezing point and the boiling point

• depress the freezing point and elevate the boiling point

• elevate the freezing point and depress the boiling point

The van't Hoff factor measures the number of particles formed in solution. What is the van't Hoff factor for the compound Na₂SO₄?

• 1

• 3

• 5

• 7

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

• the same as
• lower than
• higher than
• no relation to

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

• type
• number
• pH
• nature

What type of substance dissolves in water but does not form ions or conduct electricity?

• electrolyte

• nonelectrolyte

• saturated

• insoluble

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

• 1

• 2

• 3

• 4

• 5

When KCl (potassium chloride) is dissolved in water, how many particles are in solution for each unit?

• 1

• 2

• 3

• 4

• 6