EASY
12th West Bengal Board
IMPORTANT
Earn 100

What is meant by semipermeable membrane? Give one example each for natural and artificial membrane.

Important Questions on Solutions

EASY
12th West Bengal Board
IMPORTANT
Derive a formula for determining molecular mass from osmotic pressure.
EASY
12th West Bengal Board
IMPORTANT
Define osmotic pressure. How is it related to the concentration of a solute in a solution?
EASY
12th West Bengal Board
IMPORTANT
Derive van't Hoff's equation for dilute solution.
EASY
12th West Bengal Board
IMPORTANT
What is Van't Hoff factor? What possible values can it have if the solute molecules undergo association or dissociation?
EASY
12th West Bengal Board
IMPORTANT
Show graphically that the freezing point of a liquid will be depressed when a non-volatile solute is dissolved in it.
EASY
12th West Bengal Board
IMPORTANT
Show graphically how the vapour pressures of a solvent and a solution in it of non-volatile solute change with temperature. Show on this graph the boiling points of the solvent and the solution. Which is higher and why?
EASY
12th West Bengal Board
IMPORTANT
Why do we get abnormal molecular masses of the substances using colligative properties of solutions only sometimes? What are the natures of these abnormalities?
EASY
12th West Bengal Board
IMPORTANT
What role does the molecular interactions play in a solution of alcohol and water?