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Class 12 · Chemistry · Easy
→A liquid has low vapour pressure. Which statement about its boiling point is generally correct?
Class 12 · Chemistry · Easy
→A liquid has high vapour pressure. Which inference about its intermolecular forces is correct?
Class 12 · Chemistry · Easy
→Which difference between vapour pressure and rate of evaporation is correct?
Class 12 · Chemistry · Easy
→In an ideal binary solution, the mole fraction of component A is 0.40 and the vapour pressure of pure component B is 120 kPa. What is the partial pressure of B?
Class 12 · Chemistry · Easy
→Which mixture is more likely to form a minimum boiling azeotrope?
Class 12 · Chemistry · Easy
→Which mixture is likely to form a maximum boiling azeotrope?
Class 12 · Chemistry · Easy
→Why does the boiling point of a solution increase due to lowering of vapour pressure?
Class 12 · Chemistry · Easy
→Why does a liquid start boiling at lower temperature when external pressure is reduced?
Class 12 · Chemistry · Medium
→If solute particles associate to form larger particles, how can the observed lowering of vapour pressure be affected?
Class 12 · Chemistry · Medium
→Why can an electrolyte solute show comparatively greater lowering of vapour pressure?
Class 12 · Chemistry · Easy
→If the mole fraction of the solute is 0.30 and the vapour pressure of the pure solvent is 70 kPa, what is the vapour pressure of the solution, assuming the solute is non-volatile?
Class 12 · Chemistry · Easy
→What is relative lowering of vapour pressure equal to when the solute is non-volatile?
Class 12 · Chemistry · Easy
→Which statement is not correct for an ideal solution?
Class 12 · Chemistry · Easy
→Why can total vapour pressure be higher than the ideal value in a solution showing positive deviation?
Class 12 · Chemistry · Easy
→If the partial pressures of components A and B are 20 kPa and 80 kPa, respectively, what is the mole fraction of A in the vapour phase?
Class 12 · Chemistry · Easy
→In an ideal solution, pure vapour pressure of component A is 180 kPa and its liquid mole fraction is 0.20. What is the partial pressure of component A?
Class 12 · Chemistry · Easy
→Why does equilibrium vapour pressure not change when the amount of liquid is halved if some liquid still remains?
Class 12 · Chemistry · Easy
→Under which condition is the equilibrium vapour pressure of a liquid properly established?
Class 12 · Chemistry · Easy
→A solution has solvent mole fraction 0.85 and pure solvent vapour pressure 40 kPa. What is the vapour pressure of the solution?
Class 12 · Chemistry · Easy
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