List of top Chemistry Questions on Types of Solutions asked in COMEDK UGET

At 300 K the vapour pressure of an ideal solution containing 1.0 mole each of volatile liquids X and Y is 1000 mm. Keeping the temperature constant, when 2.0 moles of liquid X are added to the solution, its vapour pressure increases by 200 mm. Calculate the vapour pressure of X and Y in their pure state.
The mole fraction of an unknown solute in \( 1560 \) g of Benzene is \( 0.5 \). What is the molality of the solution? (Molar mass of Benzene: \( 78 \))
An aqueous solution of volume \( V \) ml contains a non-volatile solute of unknown mass \( W_B \) g and molar mass \( M_B \) g/mol. If the Osmotic pressure of the solution is \( 1.013 \) bar, which one of the following is the mathematical expression to be used to calculate \( W_B \)?
The ratio of \( N_2 \) and \( O_2 \) gases in the atmosphere is \( 4:1 \). The ratio of the mole fractions of the dissolved gases \( N_2:O_2 \) in rain water will be approximately --------. At \( 293\,K \), \( K_H \) for Nitrogen and Oxygen in kbar units are \( 76.48 \) and \( 34.86 \) respectively.
An aqueous solution of an electrolyte \( A_3B \) is prepared by dissolving \( 0.5625 \) g in \( 750 \) ml of water and is found to be \( 80\% \) ionised. If \( K_b \) for water is \( 0.52 \, \text{K kg mol}^{-1} \), calculate the boiling point of the solution at \( 1.0 \) atm pressure.
When 0.4 g CH\(_3\)COOH is added to 40 g of Benzene to form a solution, the freezing point is depressed by 0.45°C. If Acetic acid undergoes dimerisation in Benzene (K\(_f\) = 5.12 K kg/mol), what is the percentage association of the acid in Benzene?
A dilute solution of \( K_2HgI_4 \) reagent is 95% ionised. What would be the approximate value of its van't Hoff factor?
An aqueous solution which contains 42% by weight (w/W) of a volatile liquid "A" of molar mass of 140 g/mol, has a vapour pressure of 2141.4 mm of Hg at 37°C. What is the vapour pressure of the pure liquid "A"? Vapour pressure of water at 37°C is 2019.1 mm.
Lead storage battery contains 4.25 M \( \text{H}_2\text{SO}_4 \) which has a density of 1.24 g/ml. Calculate the molality of the aqueous solution of \( \text{H}_2\text{SO}_4 \).