Search questions
Choose which content to search, then combine terms with AND or OR.
Class 12 · Chemistry · Medium
→In a solution showing positive deviation, which statement about volume change on mixing can generally be true?
Class 12 · Chemistry · Easy
→If the mole fraction of a non-volatile solute is increased, what happens to the vapour pressure of the solution?
Class 12 · Chemistry · Easy
→Why is the vapour phase richer in the more volatile component in a volatile liquid mixture?
Class 12 · Chemistry · Easy
→Why is equilibrium vapour pressure considered independent of the amount of liquid if some liquid remains in the vessel?
Class 12 · Chemistry · Easy
→What is the main reason for the increase in vapour pressure of a pure liquid when temperature increases?
Class 12 · Chemistry · Easy
→In which situation can the vapour pressure of a solution equal that of the pure solvent?
Class 12 · Chemistry · Easy
→Which statement correctly expresses the idea of Raoult’s law?
Class 12 · Chemistry · Easy
→A liquid has a higher vapour pressure than another liquid at the same temperature. Which statement about the first liquid is most appropriate?
Class 12 · Chemistry · Easy
→When a non-volatile solute is added to a solvent, why does the solvent vapour pressure decrease at molecular level?
Class 12 · Chemistry · Easy
→If the total vapour pressure of a liquid mixture is lower than the ideal value, which conclusion is correct?
Class 12 · Chemistry · Easy
→When the actual vapour pressure of a solution is higher than its ideal value, what type of molecular attraction is indicated?
Class 12 · Chemistry · Easy
→The vapour pressure of a pure solvent is 100 kPa and that of its solution is 82 kPa. What is the relative lowering of vapour pressure?
Class 12 · Chemistry · Easy
→In an ideal solution, the vapour pressure of the pure solvent is 90 kPa and the mole fraction of solvent is 0.70. What will be the vapour pressure of the solution?
Class 12 · Chemistry · Medium
→Which statement about vapour pressure and rate of evaporation is most correct?
Class 12 · Chemistry · Easy
→If total vapour pressure of a mixture is higher than the value predicted by Raoult's law, what molecular behaviour is likely?
Class 12 · Chemistry · Easy
→Which option gives a correct unit of vapour pressure?
Class 12 · Chemistry · Easy
→If mole fraction of solute is doubled while the solution remains dilute, what happens to relative lowering of vapour pressure?
Class 12 · Chemistry · Easy
→A liquid has very low vapour pressure. What is a reasonable conclusion about intermolecular attraction in it?
Class 12 · Chemistry · Easy
→Why is the vapour phase richer in the more volatile component?
Class 12 · Chemistry · Medium
→