Search questions
Use text search or combine filters to find exactly the questions you need.
Class 12 · Chemistry
→For formation of an ideal solution, what are the approximate heat and volume changes on mixing?
Class 12 · Chemistry
→Why does the boiling point of water decrease on mountains?
Class 12 · Chemistry
→How is vapour pressure related to boiling point?
Class 12 · Chemistry
→Which solution is expected to show greater lowering of vapour pressure?
Class 12 · Chemistry
→A solution has solvent mole fraction 0.90. If pure solvent vapour pressure is 50 kPa, what is the solution vapour pressure assuming the solute is non-volatile?
Class 12 · Chemistry
→In an ideal solution, pure vapour pressure of component A is 200 kPa and that of component B is 100 kPa. If the mole fraction of A is 0.40, what is the total vapour pressure?
Class 12 · Chemistry
→The mole fraction of a component in the vapour phase is related to what?
Class 12 · Chemistry
→If the mole fraction of the more volatile component increases in an ideal binary solution, what happens to total vapour pressure?
Class 12 · Chemistry
→For a binary ideal solution of volatile liquids, what is the nature of the graph between total vapour pressure and composition?
Class 12 · Chemistry
→What happens to equilibrium vapour pressure if the surface area of a liquid is increased in a closed vessel?
Class 12 · Chemistry
→Why does the equilibrium vapour pressure of a liquid generally increase when temperature is increased?
Class 12 · Chemistry
→Why does a liquid like acetone have higher vapour pressure than water?
Class 12 · Chemistry
→In a dilute solution containing a non-volatile solute, the lowering of vapour pressure is approximately proportional to what?
Class 12 · Chemistry
→The pure vapour pressure of a solvent is 120 kPa. The vapour pressure of the solution is 90 kPa. What is the relative lowering of vapour pressure?
Class 12 · Chemistry
→If the actual vapour pressure of a solution is less than the pressure predicted by Raoult's law, what type of deviation is it?
Class 12 · Chemistry
→Which statement correctly identifies an ideal solution?
Class 12 · Chemistry
→If the mole fraction of a non-volatile solute is 0.20 and the vapour pressure of pure solvent is 100 kPa, what is the relative lowering of vapour pressure?
Class 12 · Chemistry
→If the vapour pressure of pure solvent is 80 kPa and the mole fraction of solvent is 0.75, what is the partial vapour pressure of solvent in an ideal solution?
Class 12 · Chemistry
→For an ideal solution of two volatile liquids, how is total vapour pressure obtained?
Class 12 · Chemistry
→