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Class 12 · Chemistry
→If the liquid mole fraction of component A is 0.6 and its pure vapour pressure is 90 kPa, what is its partial pressure?
Class 12 · Chemistry
→According to Raoult’s law, the partial vapour pressure of a component is equal to which product?
Class 12 · Chemistry
→If all liquid in a closed vessel is exhausted and only vapour remains, which statement about pressure is correct?
Class 12 · Chemistry
→After equilibrium is established in a closed vessel, until when will vapour pressure remain nearly unchanged if the amount of liquid is slightly reduced?
Class 12 · Chemistry
→In which situation is formation of a maximum-boiling azeotrope more likely?
Class 12 · Chemistry
→In which situation is formation of a minimum boiling azeotrope more likely?
Class 12 · Chemistry
→If the vapour pressure of a solution is 12% lower than that of the pure solvent, what is the mole fraction of the non-volatile solute?
Class 12 · Chemistry
→In a volatile binary ideal solution, the partial pressure of component A is 45 kPa and that of component B is 15 kPa. What is the mole fraction of A in the vapour phase?
Class 12 · Chemistry
→Which statement about heat change on mixing is suitable for a solution showing negative deviation?
Class 12 · Chemistry
→Which statement is most suitable for the volume change on mixing in a solution showing positive deviation from Raoult’s law?
Class 12 · Chemistry
→If the total vapour pressure of a real solution is less than the pressure predicted by Raoult’s law, what type of molecular attraction is more likely?
Class 12 · Chemistry
→In an ideal binary solution, the pure vapour pressure of component A is 240 kPa and that of component B is 80 kPa. The mole fraction of A is 0.25. What is the total vapour pressure?
Class 12 · Chemistry
→A solution has solute mole fraction 0.12. The vapour pressure of pure solvent is 75 kPa. What is the vapour pressure of the solution?
Class 12 · Chemistry
→In an ideal solution, pure solvent vapour pressure is 100 kPa and solution vapour pressure is 85 kPa. What is the mole fraction of the non-volatile solute?
Class 12 · Chemistry
→What basic idea does Raoult's law express in the study of vapour pressure?
Class 12 · Chemistry
→In a volatile binary liquid solution, the vapour phase is generally richer in which component?
Class 12 · Chemistry
→How can boiling of a liquid at hill stations be explained using vapour pressure and external pressure?
Class 12 · Chemistry
→If solvent–solute attraction in a solution is very strong, what is the most likely effect on vapour pressure?
Class 12 · Chemistry
→If solvent–solute attraction in a solution is very weak, what is the most likely effect on vapour pressure?
Class 12 · Chemistry
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