If 22 g of benzene is dissolved in 122 g of CCl₄, the mass percentage of CCl₄ and benzene respectively are-

1. $15.28$ $\%,$ $84.\mathrm{72<mspace\; width="1em"></mspace>}\%$ $$

2. $84.72$ $\%,$ $15.28$ $\%$

3. $8.72$ $\%,$ $91.\mathrm{28<mspace\; width="1em"></mspace>}\%$

4. 91.28 %, 8.72 %

Match the following type of intermolecular interactions present in the pair of compounds given:

What is the mole fraction of benzene in a solution where benzene constitutes 30% by mass in carbon tetrachloride (\(\text{CCl}_4\))?

1. 0.46

2. 0.64

3. 0.91

4. 0.19

What mass of urea is needed to prepare 2.5 kg of a 0.25 m aqueous solution?

The molarity of a 20% (mass/mass) KI solution with a density of 1.202 g/mL will be:

1. 2.34 M

2. 1.45 M

3. 3.32 M

4. 0.23 M

The solubility of H₂S in water at STP is 0.195 m. The value of Henry's constant is:

A student mixes 300 g of an aqueous solution containing 25% solute by mass with 400 g of another aqueous solution of the same solute, which is 40% by mass. What is the approximate mass percentage of the solvent in the resulting mixture?

At 350 K, the vapour pressures of two volatile pure liquids, A and B, are 450 mm Hg and 700 mm Hg, respectively. If these liquids are mixed to form an ideal solution with a total equilibrium vapour pressure of 600 mm Hg, what are the respective mole fractions of A and B in the liquid phase?

The vapour pressure of water in the solution having 50 g of urea dissolved in 850 g of water is:

(Vapor pressure of pure water at 298 K is 23.8 mm Hg) 

1. 23.40 mm of Hg

2. 33.46 mm of Hg

3. 12.76 mm of Hg

4. 87.12 mm of Hg

The amount of sucrose is to be added to 500 g of water such that it boils at 100°C is:

( Given: The boiling point of water at 750 mm Hg is 99.63°C ; K_b = 0.52 K kg mol^-1)

1. 145.76 g

2. 213.54 g

3. 121.67 g

4. 195.36 g