Practice Relative Lowering Of Vapour Pressure (1.3.1) - Solutions - CBSE 12 Chemistry Part 1
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Relative Lowering of Vapour Pressure

Practice - Relative Lowering of Vapour Pressure

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define a solution.

💡 Hint: Think about mixtures in everyday life.

Question 2 Easy

What does Raoult's Law state?

💡 Hint: Recall the formula involving p and x.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is Raoult’s Law?

It states that the vapour pressure is constant.
It relates vapour pressure to the mole fraction.
It applies only to ideal gases.

💡 Hint: Remember the connection between pressure and concentration.

Question 2

True or False: Colligative properties depend on the chemical identity of solute.

True
False

💡 Hint: Think about freezing point depression or boiling point elevation.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If a solution's vapour pressure decreases from 1.0 atm to 0.8 atm upon adding a non-volatile solute, calculate the mole fraction of the solute in the solution.

💡 Hint: Consider how to calculate mole fractions.

Challenge 2 Hard

Determine how the boiling point elevation changes if the concentration of the solute doubles. Explain mathematically.

💡 Hint: Review the relationship between boiling point and colligative properties.

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Reference links

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