Podcast
Questions and Answers
What is the main reason for the deviation from Raoult's law?
What is the main reason for the deviation from Raoult's law?
- Strength of A-B interactions
- Weakness of A-A and B-B interactions
- Hydrogen bonding between solute and solvent molecules
- Nature of interactions at the molecular level (correct)
In a solution that shows positive deviation from Raoult's law, what is the relative strength of A-B interactions?
In a solution that shows positive deviation from Raoult's law, what is the relative strength of A-B interactions?
- Stronger than A-A and B-B interactions
- Weaker than A-A and B-B interactions (correct)
- Independent of A-A and B-B interactions
- Equal to A-A and B-B interactions
What is the result of weaker A-B interactions in a solution?
What is the result of weaker A-B interactions in a solution?
- Increased vapour pressure (correct)
- Decreased vapour pressure
- Unpredictable effect on vapour pressure
- No effect on vapour pressure
Which of the following solutions is expected to show positive deviation from Raoult's law?
Which of the following solutions is expected to show positive deviation from Raoult's law?
What is the effect of adding acetone to pure ethanol?
What is the effect of adding acetone to pure ethanol?
Why does the solution of ethanol and acetone show positive deviation from Raoult's law?
Why does the solution of ethanol and acetone show positive deviation from Raoult's law?
What type of interactions are weaker in a solution that shows positive deviation from Raoult's law?
What type of interactions are weaker in a solution that shows positive deviation from Raoult's law?
What is the effect of weaker A-B interactions on the molecules of A (or B) in a solution?
What is the effect of weaker A-B interactions on the molecules of A (or B) in a solution?
Which of the following solutions is expected to show positive deviation from Raoult's law?
Which of the following solutions is expected to show positive deviation from Raoult's law?
What is the result of positive deviation from Raoult's law?
What is the result of positive deviation from Raoult's law?
