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Questions and Answers
What is the reason for negative deviations from Raoult's law?
What is the reason for negative deviations from Raoult's law?
- Weaker intermolecular forces between similar molecules (correct)
- Stronger intermolecular forces between similar molecules
- Increased vapor pressure
- Formation of azeotropes
What type of azeotrope forms when solutions show a large positive deviation from Raoult’s law?
What type of azeotrope forms when solutions show a large positive deviation from Raoult’s law?
- Constant boiling azeotrope
- Minimum boiling azeotrope (correct)
- Ideal azeotrope
- Maximum boiling azeotrope
What happens to the vapor pressure in a mixture that exhibits negative deviation from Raoult's law?
What happens to the vapor pressure in a mixture that exhibits negative deviation from Raoult's law?
- Becomes infinite
- Decreases (correct)
- Increases
- Remains constant
Which pair of molecules exhibits negative deviation from Raoult's law due to hydrogen bonding?
Which pair of molecules exhibits negative deviation from Raoult's law due to hydrogen bonding?
Which pair of molecules is mentioned to form a solution with negative deviation from Raoult's law in the text?
Which pair of molecules is mentioned to form a solution with negative deviation from Raoult's law in the text?
Why is it not possible to separate components by fractional distillation in case of azeotropes?
Why is it not possible to separate components by fractional distillation in case of azeotropes?
How does the addition of acetone to ethanol affect the hydrogen bonding in the solution?
How does the addition of acetone to ethanol affect the hydrogen bonding in the solution?
What is the cause of positive deviations from Raoult's law?
What is the cause of positive deviations from Raoult's law?
In a solution that shows negative deviation from Raoult's law, what can be said about the intermolecular interactions?
In a solution that shows negative deviation from Raoult's law, what can be said about the intermolecular interactions?
Which type of solution shows positive deviations from Raoult's law according to the text?
Which type of solution shows positive deviations from Raoult's law according to the text?
What can be inferred about a solution that shows a negative deviation from Raoult's law based on the text provided?
What can be inferred about a solution that shows a negative deviation from Raoult's law based on the text provided?
What is the composition of the azeotrope formed by nitric acid and water?
What is the composition of the azeotrope formed by nitric acid and water?
What effect does weaker intermolecular interactions have on vapor pressure in a solution showing positive deviation from Raoult's law?
What effect does weaker intermolecular interactions have on vapor pressure in a solution showing positive deviation from Raoult's law?
Which class of solutions forms maximum boiling azeotropes at specific compositions?
Which class of solutions forms maximum boiling azeotropes at specific compositions?
What happens when an azeotrope composition is reached during fractional distillation?
What happens when an azeotrope composition is reached during fractional distillation?
In Raoult's law, what does a negative deviation indicate about the molecular interactions in the solution?
In Raoult's law, what does a negative deviation indicate about the molecular interactions in the solution?
Which property of solutions is associated with the elevation of the boiling point of the solvent?
Which property of solutions is associated with the elevation of the boiling point of the solvent?
What is the key characteristic of an azeotrope?
What is the key characteristic of an azeotrope?
