Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 2

MEDIUM

12th Maharashtra Board

IMPORTANT

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$0.1 m$ solution of $K_{2} {SO}_{4}$ in water has freezing point of $- 4 . 3^{0} C$ . What is the value of van't Hoff factor if $K_{f}$ for water is $1.86 K kg {mol}^{- 1}$ ?

Important Questions on Solutions

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 2

What is van't Hoff factor?

HARD

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 2

How is Van't Hoff factor related to degree of ionization?

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 2

Which of the following solutions will have higher freezing point depression and why?

a. $0.1 mNaCl$

b. $0.05 {mAl}_{2} {({SO}_{4})}_{3}$

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 2

State Raoult's Law for solution containing non-volatile solutes.

EASY

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 2

What is the effect on the boiling point of water if one mole of methyl alcohol is added to

1 {dm}^{3}

of water? Why?

EASY

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 2

Which of the four colligative properties is most often used for molecular mass determination? Why?

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 3

How vapour pressure lowering is related to a rise in boiling point of solution?

EASY

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 3

What are isotonic and hypertonic solutions?