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Class 12 · Chemistry

What is meant by depression in freezing point?

Class 12 · Chemistry

Elevation in boiling point is what type of property?

Class 12 · Chemistry

What generally happens to the vapour pressure of a volatile solvent when a non-volatile solute is added?

Class 12 · Chemistry

Which property depends only on the number of solute particles and not on their nature?

Class 12 · Chemistry

Which statement gives the most exam-useful understanding of vapour pressure?

Class 12 · Chemistry

Which option gives a correct unit of vapour pressure?

Class 12 · Chemistry

If two solutions have the same solvent and the same number of effective solute particles at the same temperature, how will lowering of vapour pressure compare?

Class 12 · Chemistry

In a pressure-composition graph, the actual line is below the ideal line. Which azeotrope is more likely to form?

Class 12 · Chemistry

In a pressure-composition graph, the actual line is above the ideal line. Which azeotrope is more likely to form?

Class 12 · Chemistry

In which situation is deviation from Raoult's law expected to be minimum?

Class 12 · Chemistry

Which statement explains the effect of a non-volatile solute most correctly?

Class 12 · Chemistry

If a solution has vapour pressure 25% lower than that of the pure solvent, what is its vapour pressure when the pure solvent pressure is 80 kPa?

Class 12 · Chemistry

A solution has solvent mole fraction 0.65. The vapour pressure of the pure solvent is 40 kPa. What is the lowering of vapour pressure?

Class 12 · Chemistry

If solute mole fraction is increased and the solute is non-volatile, what happens to lowering of vapour pressure?

Class 12 · Chemistry

Why does adding a non-volatile solute increase the boiling point of a solution?

Class 12 · Chemistry

If temperature is increased, what is the basic reason for increase in equilibrium vapour pressure of a pure liquid?

Class 12 · Chemistry

Why does equilibrium vapour pressure not change when surface area of a liquid is increased?

Class 12 · Chemistry

What is the most important difference between vapour pressure and rate of evaporation?

Class 12 · Chemistry

Why is vapour phase richer in the more volatile component?

Class 12 · Chemistry

What happens to total vapour pressure when mole fraction of the less volatile component is increased in an ideal solution?