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Class 12 · Chemistry · Easy
→What is the pure vapour pressure of a more volatile component like?
Class 12 · Chemistry · Easy
→Why does increasing the surface area of a liquid not change its equilibrium vapour pressure?
Class 12 · Chemistry · Medium
→In an ideal solution, liquid mole fraction of A is 0.60. Pure pressure of A is 50 kPa and of B is 100 kPa. What is the total pressure?
Class 12 · Chemistry · Easy
→The vapour pressure of a solution is 20 percent lower than that of pure solvent. Assuming non-volatile solute, what is the mole fraction of solvent?
Class 12 · Chemistry · Easy
→Why does relative lowering of vapour pressure have no unit?
Class 12 · Chemistry · Easy
→If unlike molecular attraction becomes very strong while mixing two liquids, what happens to vapour pressure?
Class 12 · Chemistry · Easy
→When like and unlike molecular attractions in a mixture of two liquids are nearly equal, what type of solution is formed?
Class 12 · Chemistry · Easy
→In a binary solution, total vapour pressure is 90 kPa and partial pressure of component A is 36 kPa. What is mole fraction of A in vapour?
Class 12 · Chemistry · Easy
→If vapour pressure has become equal to external pressure, what can be said about the liquid?
Class 12 · Chemistry · Easy
→The vapour pressure of a liquid increases rapidly with temperature. What is the most suitable reason?
Class 12 · Chemistry · Easy
→If the observed colligative effect is greater than expected, what may it indicate about the solute?
Class 12 · Chemistry · Medium
→If observed molar mass of solute is greater than the actual value, what can it indicate about solute behaviour?
Class 12 · Chemistry · Medium
→Why is relative lowering of vapour pressure useful in finding molar mass of a solute?
Class 12 · Chemistry · Medium
→In an ideal binary solution, pure vapour pressure of A is 300 kPa and that of B is 100 kPa. Mole fraction of A is 0.25. What is total vapour pressure?
Class 12 · Chemistry · Medium
→If actual vapour pressure of a solution is greater than ideal value, what indication about volume change on mixing may be obtained?
Class 12 · Chemistry · Medium
→If actual vapour pressure of a solution is lower than ideal value, what indication about energy change on mixing may be obtained?
Class 12 · Chemistry · Easy
→For an ideal solution, what is the usual nature of the graph between total vapour pressure and liquid composition?
Class 12 · Chemistry · Easy
→A solution has solvent mole fraction 0.92. The vapour pressure of pure solvent is 75 kPa. What is the lowering of vapour pressure?
Class 12 · Chemistry · Easy
→If more non-volatile solute is added to a solution, what happens to the vapour pressure of the solvent?
Class 12 · Chemistry · Easy
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