Which of the following is not a colligative property?

Equimolar solutions in the same solvent have

Which of the following aqueous solutions should have the minimum boiling point?

Which of the following has the highest boiling point?

Consider $0.1 \ M$ solutions of two solutes $X$ and $Y$. The solute $X$ behaves as a univalent electrolyte while the solute $Y$ dimerises in solution. Which of the following statements are correct regarding these solutions?
$(a)$ The boiling point of the solution of $X$ will be higher than that of $Y$
$(b)$ The osmotic pressure of the solution of $X$ will be higher than that of $Y$
$(c)$ The freezing point of the solution of $X$ will be lower than that of $Y$
$(d)$ The relative lowering of vapour pressure of both the solutions will be the same
Select the correct answer from the given options $:-$

For an increase in the difference between $P_A^0$ and $P_A$,which of the following occurs?