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Class 12 · Chemistry

According to Raoult's law, what is the nature of graph between total vapour pressure and liquid composition for an ideal binary solution?

Class 12 · Chemistry

Water boils at lower temperature on a hill station. What is the correct vapour-pressure-based reason?

Class 12 · Chemistry

If vapour pressure of a liquid becomes equal to external pressure, which event can begin?

Class 12 · Chemistry

If all liquid in a closed vessel has completely converted into vapour, which caution about vapour pressure is correct?

Class 12 · Chemistry

In a closed vessel, surface area of a liquid is increased while temperature is kept constant. What is the final effect on equilibrium vapour pressure?

Class 12 · Chemistry

If a liquid has very low vapour pressure, which pair about its intermolecular attraction and boiling point is correct?

Class 12 · Chemistry

Why is relative lowering of vapour pressure unitless?

Class 12 · Chemistry

If the solvent mole fraction is 0.6 and the pure solvent vapour pressure is 150 kPa, what is the lowering of vapour pressure?

Class 12 · Chemistry

The vapour pressure of a solution is 10% lower than that of the pure solvent. Assuming a non-volatile solute, what is the mole fraction of the solvent?

Class 12 · Chemistry

What is the main reason for negative deviation in a mixture of acetone and chloroform?

Class 12 · Chemistry

Which pair is more likely to form a nearly ideal solution?

Class 12 · Chemistry

Why are heat of mixing and volume change nearly zero in an ideal solution?

Class 12 · Chemistry

Why does the boiling point of a solution increase when a non-volatile solute is added?

Class 12 · Chemistry

If vapour pressure is less than external pressure, which statement about boiling at that temperature is correct?

Class 12 · Chemistry

In an ideal binary solution, the pure vapour pressure of component A is lower than that of component B. At equal liquid mole fractions, which component will be less abundant in the vapour?

Class 12 · Chemistry

In which situation will the vapour pressure of a solution remain nearly equal to that of the pure solvent?

Class 12 · Chemistry

If solute particles associate with each other, what may happen to lowering of vapour pressure and observed molar mass?

Class 12 · Chemistry

Why can an electrolyte solute show greater lowering of vapour pressure than expected?

Class 12 · Chemistry

Why is relative lowering of vapour pressure called a colligative property?

Class 12 · Chemistry

In a binary solution, the partial pressure of component A is 40 kPa and the total pressure is 100 kPa. What is the mole fraction of component B in the vapour phase?