MEDIUM
12th ICSE
IMPORTANT
Earn 100

An aqueous solution of urea boils above 100°C but freezes below 0°C. Explain?

Important Questions on Solutions

MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>ESSAY (LONG ANSWER) TYPE QUESTIONS>Q 21
NaCl is soluble in water but insoluble in benzene. Explain?
HARD
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>ESSAY (LONG ANSWER) TYPE QUESTIONS>Q 21
In cold countries, ethylene glycol is added to water used in car radiators. Explain?
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>ESSAY (LONG ANSWER) TYPE QUESTIONS>Q 21
Salt is added to water used for boiling eggs. Explain?
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>ESSAY (LONG ANSWER) TYPE QUESTIONS>Q 22
What do you understand by osmosis and osmotic pressure? How is the osmotic pressure of a solution measured? What is reverse osmosis?
HARD
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>ESSAY (LONG ANSWER) TYPE QUESTIONS>Q 23
Describe various laws of osmotic pressure and derive van't Hoff equation. Show that osmotic pressure is a colligative property.
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>ESSAY (LONG ANSWER) TYPE QUESTIONS>Q 24
Derive an expression for the determination of molecular mass of a solute on the basis of osmotic pressure.
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>ESSAY (LONG ANSWER) TYPE QUESTIONS>Q 25
What are abnormal molecular masses, and how are they related to the dissociation or association of solute particles in solution?
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>ESSAY (LONG ANSWER) TYPE QUESTIONS>Q 26
Derive van't Hoff factor. How does it help in the determination of degree of dissociation or degree of association of a solute in solution?