MEDIUM
12th ICSE
IMPORTANT
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Why is the unit molality preferred over molarity?

Important Questions on Solutions

MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 7
What do you understand by semi-molar and semi-normal solutions?
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 8
Why is the sum of mole fractions of all components of a solution unity? Illustrate with an example. 
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 9
Which of the following concentration units are dimensionless : weight percentage, volume percentage, molarity, molality and mole fraction? 
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 10

Which of the following units vary with temperature and why?

Normality, Molarity, Molality, Formality and Mole fraction.

MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 11
Define vapour pressure of a liquid. What happens to the vapour pressure of a liquid when a volatile solute dissolves in it?
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 11
Define vapour pressure of a liquid. What happens to the vapour pressure of a liquid when a non-volatile solute dissolves in it?
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 12
How can you justify the observation that the vapour pressure of a solution of a non-volatile solute in a given solvent is less than that of the pure solvent ? Also state the law related to this observation.
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>SHORT ANSWER TYPE QUESTIONS>Q 13
State Raoult's law for solutions of non-volatile solutes in volatile solvents and derive a mathematical expression for the same.