MEDIUM
12th ICSE
IMPORTANT
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What is van't Hoff factor? What possible values can it have if the solute molecules undergo association?

Important Questions on Solutions

MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 52
What is van't Hoff factor? What possible values can it have if the solute molecules undergo dissociation in solution?
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 53
Why do we sometimes get abnormal molecular masses of substances? Give the modified equations for the colligative properties for substances exhibiting abnormal molecular masses.
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 54
Define the term van't Hoff factor? How is van't Hoff factor related to degree of dissociation?
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 55
Define degree of dissociation. A substance dissociates in solution to give n ions. Derive an expression for degree of dissociation in terms of van't Hoff factor i and n.
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 56
The mole fraction of a solute in a solution is 0.1 At 298 K, molarity of this solution is the same as its molality.  Density of this solution at 298 K is 2.0 g cm-3 . The ratio of the molecular weights of the solute and solvent MWsolute MWsolvent  is?
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>ESSAY (LONG ANSWER) TYPE QUESTIONS>Q 1
Explain the terms solute, solvent and solution. Describe various types of solutions and mention the cause of solubility in each case.
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>ESSAY (LONG ANSWER) TYPE QUESTIONS>Q 2
Mention briefly the various units used to represent the composition of a solution. Also mention the effect of temperature on each of them.
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>ESSAY (LONG ANSWER) TYPE QUESTIONS>Q 3
Define vapour pressure. On what factors does the vapour pressure of a liquid depend? Why does the vapour pressure of a liquid get lowered when a non-volatile solute is dissolved in it?