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Class 12 · Chemistry · Easy
→A solution has lower vapour pressure than the pure solvent. Which conclusion is most appropriate?
Class 12 · Chemistry · Easy
→In an ideal solution, what happens to the solvent’s partial vapour pressure when its mole fraction decreases?
Class 12 · Chemistry · Easy
→Which option gives the most useful correct statement related to vapour pressure?
Class 12 · Chemistry · Easy
→In an ideal binary solution, the total vapour pressure is 100 kPa and the partial pressure of A is 35 kPa. What is the partial pressure of B?
Class 12 · Chemistry · Easy
→If the surface area of a liquid is increased, what will be the final effect on equilibrium vapour pressure?
Class 12 · Chemistry · Easy
→If intermolecular attraction in a liquid is strong, how will its vapour pressure generally be affected?
Class 12 · Chemistry · Medium
→Why is the heat of mixing nearly zero when an ideal solution forms?
Class 12 · Chemistry · Easy
→Which statement is most suitable for identifying an ideal solution?
Class 12 · Chemistry · Easy
→In which situation will the equilibrium vapour pressure of a liquid be properly defined?
Class 12 · Chemistry · Medium
→What is the most important difference between vapour pressure and rate of evaporation?
Class 12 · Chemistry · Easy
→If the vapour pressure of a liquid is less than external pressure, what can be said about boiling at that temperature?
Class 12 · Chemistry · Easy
→Which option is a correct unit of vapour pressure?
Class 12 · Chemistry · Easy
→If two identical solutions differ only in temperature, how will the vapour pressure of the solution at higher temperature compare?
Class 12 · Chemistry · Easy
→A liquid has very low vapour pressure. Which statement about its normal boiling point is more reasonable?
Class 12 · Chemistry · Medium
→In an ideal solution, pure vapour pressure of A is greater than that of B. Their liquid-phase mole fractions are equal. Which component will have the higher proportion in the vapour phase?
Class 12 · Chemistry · Easy
→Why is it difficult to directly measure vapour pressure of a liquid in an open vessel?
Class 12 · Chemistry · Easy
→Why does adding a non-volatile solute increase the boiling point of a solution?
Class 12 · Chemistry · Easy
→Why does the boiling point of a liquid decrease when the external pressure is reduced?
Class 12 · Chemistry · Medium
→If solute particles associate with each other, what happens to lowering of vapour pressure?
Class 12 · Chemistry · Medium
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