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Class 12 · Chemistry
→In an ideal solution of two volatile liquids, pure vapour pressure of component A is higher than that of component B. At equal mole fractions, which will be richer in vapour?
Class 12 · Chemistry
→The vapour pressure of pure solvent is 64 kPa and that of the solution is 48 kPa. What is the mole fraction of the solute if the solute is non-volatile?
Class 12 · Chemistry
→A solution has lower vapour pressure than the pure solvent. Which conclusion is most appropriate?
Class 12 · Chemistry
→In an ideal solution, what happens to the solvent’s partial vapour pressure when its mole fraction decreases?
Class 12 · Chemistry
→Which option gives the most useful correct statement related to vapour pressure?
Class 12 · Chemistry
→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
→If the surface area of a liquid is increased, what will be the final effect on equilibrium vapour pressure?
Class 12 · Chemistry
→If intermolecular attraction in a liquid is strong, how will its vapour pressure generally be affected?
Class 12 · Chemistry
→A solution has a solute mole fraction of 0.10, and the vapour pressure of the pure solvent is 50 kPa. Assuming the solute is non-volatile, what is the vapour pressure of the solution?
Class 12 · Chemistry
→Why is the heat of mixing nearly zero when an ideal solution forms?
Class 12 · Chemistry
→Which statement is most suitable for identifying an ideal solution?
Class 12 · Chemistry
→In an ideal solution, the partial pressures of components A and B are 45 kPa and 15 kPa, respectively. What is the mole fraction of B in the vapour phase?
Class 12 · Chemistry
→If the liquid-phase mole fraction of component A is 0.30 and its pure vapour pressure is 200 kPa, what is its partial pressure in an ideal solution?
Class 12 · Chemistry
→In which situation will the equilibrium vapour pressure of a liquid be properly defined?
Class 12 · Chemistry
→What is the most important difference between vapour pressure and rate of evaporation?
Class 12 · Chemistry
→If the vapour pressure of a liquid is less than external pressure, what can be said about boiling at that temperature?
Class 12 · Chemistry
→Which option is a correct unit of vapour pressure?
Class 12 · Chemistry
→If two identical solutions differ only in temperature, how will the vapour pressure of the solution at higher temperature compare?
Class 12 · Chemistry
→A liquid has very low vapour pressure. Which statement about its normal boiling point is more reasonable?
Class 12 · Chemistry
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