10 Questions
What is the effect of the van't Hoff factor on the relative lowering of vapor pressure of a solvent?
It increases the relative lowering of vapor pressure.
What is the value of the van't Hoff factor for a strong electrolyte at high dilution?
It approaches 2.
What is the relationship between the van't Hoff factor and the degree of dissociation of a solute?
The van't Hoff factor increases with an increase in the degree of dissociation.
What is the effect of the van't Hoff factor on the elevation of boiling point of a solution?
It increases the elevation of boiling point.
What is the relationship between the osmotic pressure of a solution and the van't Hoff factor?
The osmotic pressure is directly proportional to the van't Hoff factor.
What is the value of the van't Hoff factor for K2SO4 at high dilution?
It approaches 3.
What is the effect of the van't Hoff factor on the depression of freezing point of a solution?
It increases the depression of freezing point.
What is the relationship between the van't Hoff factor and the molal depression constant of a solvent?
The van't Hoff factor is directly proportional to the molal depression constant.
What is the percentage association of benzoic acid in a solution if it forms a dimer?
60%
What is the relationship between the van't Hoff factor and the concentration of a solution?
The van't Hoff factor decreases with an increase in concentration.
This quiz covers the concept of azeotrope composition, achieved through fractional distillation of ethanol-water mixtures, and its relation to Raoult's law. Learn about the properties of azeotropes and their boiling points. Test your understanding of these chemistry concepts!
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