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Class 12 · Chemistry

In which situation is negative deviation from Raoult's law observed?

Class 12 · Chemistry

According to Raoult's law, the partial vapour pressure of the solvent in an ideal solution is proportional to what?

Class 12 · Chemistry

Why does the vapour pressure of a solution decrease when a non-volatile solute is added to a liquid?

Class 12 · Chemistry

When equilibrium is established between a liquid and its vapour in a closed vessel, vapour pressure mainly depends on which factor?

Class 12 · Chemistry

In numerical questions related to vapour pressure, what should be checked first?

Class 12 · Chemistry

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

Class 12 · Chemistry

If a solution contains two volatile liquids and one has a very high pure vapour pressure, how will it affect the total vapour pressure?

Class 12 · Chemistry

Why is the vapour pressure of pure solvent needed while measuring lowering of vapour pressure?

Class 12 · Chemistry

A liquid and its vapour are at equilibrium in a closed vessel. If temperature is suddenly increased, what happens to the rate of evaporation before a new equilibrium is reached?

Class 12 · Chemistry

In a solution containing a non-volatile solute, the mole fraction of solvent is 0.85. If the vapour pressure of the pure solvent is 200 kilopascal, what is the vapour pressure of the solution?

Class 12 · Chemistry

If the actual vapour pressure of a solution is higher than the value predicted by Raoult’s law, what may be the reason?

Class 12 · Chemistry

If the actual vapour pressure of a solution is lower than the pressure predicted by Raoult’s law, what type of deviation is it?

Class 12 · Chemistry

According to Raoult’s law, what will be the value of p when x = 1?

Class 12 · Chemistry

For which of two liquids may the increase in vapour pressure with temperature appear more noticeable?

Class 12 · Chemistry

If adding a non-volatile solute causes only a small lowering of vapour pressure, what can be inferred about the amount of solute?

Class 12 · Chemistry

On what basis is the order of lowering of vapour pressure decided?

Class 12 · Chemistry

In an ideal solution, the partial vapour pressure of component A is 40 kilopascal and that of component B is 25 kilopascal. What is the total vapour pressure?

Class 12 · Chemistry

If a liquid attains vapour pressure equal to external pressure at a lower temperature, how will its boiling point be?

Class 12 · Chemistry

The vapour pressure of a solution is lower than that of the pure solvent. Which effect is directly connected with this?

Class 12 · Chemistry

In a solution, the lowering of vapour pressure is 5 kilopascal and the vapour pressure of the pure solvent is 50 kilopascal. What is the relative lowering?