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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is vapour pressure?
💡 Hint: Think about the relationship between liquid and vapor states.
Question 2
Easy
State Raoult's Law.
💡 Hint: Recall the formula involving partial pressures.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does Raoult's Law state about the partial vapour pressure of a component?
- It's independent of its mole fraction
- It is proportional to its mole fraction
- It increases with temperature only
💡 Hint: Think about the relationship described by the law.
Question 2
True or False: Non-volatile solutes do not affect the boiling point of a solution.
- True
- False
💡 Hint: Recall how boiling point changes with solute addition.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A mixture contains 0.5 mol of solute A and 1.5 mol of solute B. Calculate the total vapour pressure if the vapour pressures of pure A and B are 100 mmHg and 80 mmHg, respectively.
💡 Hint: Calculate mole fractions before applying the law.
Question 2
You have 1 mol of NaCl dissociated in 1 kg of water. Find the van’t Hoff factor and explain how it alters expected colligative properties.
💡 Hint: Consider dissociation processes for determining i.
Challenge and get performance evaluation