Practice Abnormal Molar Mass (1.5) - Solutions - CBSE 12 Chemistry Part 1
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Abnormal Molar Mass

Practice - Abnormal Molar Mass

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define abnormal molar mass.

💡 Hint: Think about how solute particles behave in solutions.

Question 2 Easy

Explain what the van't Hoff factor represents.

💡 Hint: It's linked to how many solute molecules break into ions or group together.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What happens to the observed molar mass when an ionic compound dissociates in solution?

True
False

💡 Hint: Think of solute as breaking into smaller pieces.

Question 2

The van't Hoff factor (i) is used to calculate which property?

Boiling Point Elevation
Freezing Point Depression
Osmotic Pressure
All of the above

💡 Hint: It's applied wherever solute behavior matters.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If the normal molar mass of a solute is 180 g/mol and the abnormal molar mass observed in solution is 90 g/mol, calculate the van't Hoff factor.

💡 Hint: Use the formula for van't Hoff factor.

Challenge 2 Hard

Consider a solution exhibiting a positive deviation from Raoult's law. Provide possible reasons for this occurrence, with examples.

💡 Hint: Identify essential interactions when mixing.

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