Explain reverse osmosis.

Important Questions on Solutions

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 3

How molar mass of a solute is determined from osmotic pressure measurements?

EASY

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 3

Why vapour pressure of a solvent is lowered by dissolving a nonvolatile solute into it?

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 3

Using Raoult's law, how will you show that $△\mathrm{P}={{\mathrm{P}}_1}^0 {\mathrm{x}}_2$? Where ${\mathrm{x}}_2$ is the mole fraction of the solute in the solution and ${{\mathrm{P}}_1}^0$is the vapour pressure of pure solvent.

EASY

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 3

While considering boiling point elevation and freezing point depression a solution concentration is expressed in molality and not in molarity. Why?

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 4

Derive the relationship between degree of dissociation of an electrolyte and van't Hoff factor.

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 5

What is effect of temperature on solubility of solids in water? Give examples.

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 6

Obtain the relationship between freezing point depression of a solution containing non-volatile non-electrolyte and its molar mass.

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 2 - Solutions>Exercises>Q 7

Explain with diagram the boiling point elevation in terms of vapour pressure lowering.