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Class 12 · Chemistry
→In a volatile binary ideal solution, what happens to total vapour pressure when the liquid mole fraction of the more volatile component is increased?
Class 12 · Chemistry
→Which statement is most accurate for an ideal solution?
Class 12 · Chemistry
→If the pure solvent vapour pressure is 50 kPa and the solute mole fraction is 0.2, what is the vapour pressure of a solution containing a non-volatile solute?
Class 12 · Chemistry
→Liquid and vapour are in equilibrium in a closed vessel. Why does equilibrium vapour pressure increase when temperature rises?
Class 12 · Chemistry
→Maximum-boiling azeotrope is associated with which type of vapour-pressure behaviour?
Class 12 · Chemistry
→Which mixture is most likely to form a minimum-boiling azeotrope?
Class 12 · Chemistry
→If the actual vapour pressure of a solution is lower than the ideal value and heat is released on mixing, what deviation is shown?
Class 12 · Chemistry
→If the vapour pressure of a real solution is much higher than the value predicted by Raoult’s law, what molecular behaviour is likely?
Class 12 · Chemistry
→What is the deeper reason for decrease in vapour pressure when a non-volatile solute is added to a liquid?
Class 12 · Chemistry
→In an ideal solution, the partial pressures of components A and B are 30 kPa and 70 kPa, respectively. What is the mole fraction of B in the vapour phase?
Class 12 · Chemistry
→In an ideal binary solution, the pure vapour pressure of component A is 200 kPa and that of component B is 50 kPa. If the mole fraction of A is 0.4, what is the total vapour pressure?
Class 12 · Chemistry
→If the vapour pressure of pure solvent is 120 kPa and the vapour pressure of the solution is 90 kPa, what is the mole fraction of the solute?
Class 12 · Chemistry
→In a solution, the relative lowering of vapour pressure is 0.15. Assuming a non-volatile solute, what is the mole fraction of the solvent?
Class 12 · Chemistry
→In an ideal solution, the vapour pressure of pure solvent is 80 kPa and the mole fraction of solvent is 0.75. What is the vapour pressure of the solution?
Class 12 · Chemistry
→Which option gives the most exam-useful correct statement related to vapour pressure?
Class 12 · Chemistry
→If solvent mole fraction in a solution is 0.76, what is the relative lowering of vapour pressure?
Class 12 · Chemistry
→In a solution, pure solvent vapour pressure is 96 kPa and lowering of vapour pressure is 24 kPa. What is the relative lowering?
Class 12 · Chemistry
→If in an ideal solution the partial pressure of A is 55 kPa and that of B is 45 kPa, what is total pressure?
Class 12 · Chemistry
→Which statement shows that vapour pressure lowering is connected with colligative properties?
Class 12 · Chemistry
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