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Class 12 · Chemistry · Medium
→Why does adding a non-volatile solute increase the boiling point of a solution?
Class 12 · Chemistry · Easy
→If temperature is increased, what is the basic reason for increase in equilibrium vapour pressure of a pure liquid?
Class 12 · Chemistry · Medium
→Why does equilibrium vapour pressure not change when surface area of a liquid is increased?
Class 12 · Chemistry · Medium
→What is the most important difference between vapour pressure and rate of evaporation?
Class 12 · Chemistry · Easy
→Why is vapour phase richer in the more volatile component?
Class 12 · Chemistry · Easy
→What happens to total vapour pressure when mole fraction of the less volatile component is increased in an ideal solution?
Class 12 · Chemistry · Easy
→If the mole fraction of the more volatile component is increased in an ideal solution, in which direction will total vapour pressure change?
Class 12 · Chemistry · Medium
→In an ideal solution, what is the relation between total vapour pressure and liquid composition?
Class 12 · Chemistry · Medium
→If observed molar mass of a solute is greater than its actual value, which behaviour is likely?
Class 12 · Chemistry · Medium
→If observed molar mass of a solute is less than its actual value, which behaviour is likely?
Class 12 · Chemistry · Medium
→Why can lowering of vapour pressure be used to determine molar mass of a solute?
Class 12 · Chemistry · Easy
→In an ideal solution, the mole fraction of component A in the vapour phase is 0.4 and the total pressure is 200 kPa. What is the partial pressure of A?
Class 12 · Chemistry · Medium
→In an ideal binary solution, the pure vapour pressures of components A and B are 50 kPa and 150 kPa, respectively. If the mole fraction of A is 0.7, what is the total vapour pressure?
Class 12 · Chemistry · Easy
→Why can vapour pressure of an acetone and chloroform mixture be lower than the ideal value?
Class 12 · Chemistry · Easy
→Which pair may be considered a good example of a nearly ideal solution?
Class 12 · Chemistry · Easy
→For formation of an ideal solution, what should be the relation between attractions among like and unlike molecules?
Class 12 · Chemistry · Easy
→A liquid has very low vapour pressure. Which estimate about its normal boiling point is more correct?
Class 12 · Chemistry · Easy
→A liquid has very high vapour pressure. Which statement about its intermolecular forces and volatility is correct?
Class 12 · Chemistry · Easy
→What is the correct reason for the decrease in the boiling point of water at a high-altitude place?
Class 12 · Chemistry · Easy
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