MEDIUM
12th ICSE
IMPORTANT
Earn 100

Define vapour pressure of a liquid. What is the effect on vapour pressure when a non-volatile solute is added to it? 

Important Questions on Solutions

MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.27
Why is the vapour pressure of a solution of glucose in water lower than that of water?
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.28
What does an ideal solution mean at molecular level?
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.29
State Raoult's law. Using the law, how would you distinguish between ideal and non-ideal solutions? 
HARD
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.3
Mention any three characteristics of an ideal solution. What does cause deviation from ideal behaviour?
HARD
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.31
State Raoult's law for the solutions of non-volatile solutes in volatile solvents. How does it depend upon the temperature?
HARD
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.32
Explain why some of the non-ideal solutions show positive deviations, while some others show negative deviations from ideal behaviour. 
MEDIUM
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.33
Benzene and toluene form nearly ideal solution. At 313 K, the vapour pressure of pure benzene is 150 mm Hg and of pure toluene is 50 mm Hg. Calculate the vapour pressure of a mixture of these two containing their equal masses at 313 K. 
HARD
12th ICSE
IMPORTANT
ICSE Chemistry>Chapter 2 - Solutions>REVIEW EXERCISES>Q 2.34
Benzene (C6H6) and toluene (C6H5CH3) form an ideal solution. At 313 K, the vapour pressures of pure benzene and toluene are 160 mm Hg and 60 mm Hg respectively. Calculate the partial pressures of benzene and toluene, and the total pressure of the solution when equal masses of benzene and toluene are mixed at 313 K.